[ 1714.668099][T14540] ip (14540) used greatest stack depth: 22848 bytes left [ 1714.904845][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1714.905341][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1714.905341][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.905341][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.905341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.905341][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1714.905341][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1714.905341][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1714.905341][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1714.905341][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1714.905341][ T74] addrconf_dad_begin+0x310/0x670 [ 1714.905341][ T74] addrconf_dad_work+0x10b/0xab0 [ 1714.905341][ T74] process_one_work+0x84d/0x18a0 [ 1714.905341][ T74] worker_thread+0x587/0xd30 [ 1714.905341][ T74] kthread+0x28a/0x350 [ 1714.905341][ T74] ret_from_fork+0x31/0x70 [ 1714.905341][ T74] ret_from_fork_asm+0x1a/0x30 [ 1714.905341][ T74] [ 1714.907609][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1714.907609][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.907609][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.907609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.907609][ T74] ip6_route_add+0x1c/0x140 [ 1714.907609][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1714.907609][ T74] inet6_addr_add+0x4f8/0xa40 [ 1714.907609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.907609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.907609][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.907609][ T74] netlink_unicast+0x449/0x710 [ 1714.907609][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.907609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.907609][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.907609][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.907609][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.907609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.907609][ T74] [ 1714.909654][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1714.909654][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.909654][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.909654][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.909654][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1714.909654][ T74] ipv6_add_addr+0x411/0x2000 [ 1714.909654][ T74] inet6_addr_add+0x30e/0xa40 [ 1714.909654][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.909654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.909654][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.909654][ T74] netlink_unicast+0x449/0x710 [ 1714.909654][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.909654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.909654][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.909654][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.909654][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.909654][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.909654][ T74] [ 1714.911690][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1714.911690][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.911690][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.911690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.911690][ T74] ip6_route_add+0x1c/0x140 [ 1714.911690][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.911690][ T74] addrconf_add_dev+0xe2/0x170 [ 1714.911690][ T74] inet6_addr_add+0x12f/0xa40 [ 1714.911690][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.911690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.911690][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.911690][ T74] netlink_unicast+0x449/0x710 [ 1714.911690][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.911690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.911690][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.911690][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.911690][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.911690][ T74] [ 1714.913820][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1714.913820][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1714.913820][ T74] ipv6_find_idev+0x102/0x170 [ 1714.913820][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.913820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.913820][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.913820][ T74] netlink_unicast+0x449/0x710 [ 1714.913820][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.913820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.913820][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.913820][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.913820][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.913820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.913820][ T74] [ 1714.915533][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1714.915533][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1714.915533][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1714.915533][ T74] ipv6_find_idev+0x102/0x170 [ 1714.915533][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.915533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.915533][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.915533][ T74] netlink_unicast+0x449/0x710 [ 1714.915533][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.915533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.915533][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.915533][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.915533][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.915533][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.915533][ T74] [ 1714.917463][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1714.917719][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1714.917719][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.917719][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.917719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.917719][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1714.917719][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1714.917719][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1714.917719][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1714.917719][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1714.917719][ T74] addrconf_dad_begin+0x310/0x670 [ 1714.917719][ T74] addrconf_dad_work+0x10b/0xab0 [ 1714.917719][ T74] process_one_work+0x84d/0x18a0 [ 1714.917719][ T74] worker_thread+0x587/0xd30 [ 1714.917719][ T74] kthread+0x28a/0x350 [ 1714.917719][ T74] ret_from_fork+0x31/0x70 [ 1714.917719][ T74] ret_from_fork_asm+0x1a/0x30 [ 1714.917719][ T74] [ 1714.919749][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1714.919749][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.919749][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.919749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.919749][ T74] ip6_route_add+0x1c/0x140 [ 1714.919749][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1714.919749][ T74] inet6_addr_add+0x4f8/0xa40 [ 1714.919749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.919749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.919749][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.919749][ T74] netlink_unicast+0x449/0x710 [ 1714.919749][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.919749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.919749][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.919749][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.919749][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.919749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.919749][ T74] [ 1714.921981][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1714.921981][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.921981][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.921981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.921981][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1714.921981][ T74] ipv6_add_addr+0x411/0x2000 [ 1714.921981][ T74] inet6_addr_add+0x30e/0xa40 [ 1714.921981][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.921981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.921981][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.921981][ T74] netlink_unicast+0x449/0x710 [ 1714.921981][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.921981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.921981][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.921981][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.921981][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.921981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.921981][ T74] [ 1714.924260][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1714.924260][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.924260][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.924260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.924260][ T74] ip6_route_add+0x1c/0x140 [ 1714.924260][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.924260][ T74] addrconf_add_dev+0xe2/0x170 [ 1714.924260][ T74] inet6_addr_add+0x12f/0xa40 [ 1714.924260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.924260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.924260][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.924260][ T74] netlink_unicast+0x449/0x710 [ 1714.924260][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.924260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.924260][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.924260][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.924260][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.924260][ T74] [ 1714.926585][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1714.926585][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1714.926585][ T74] ipv6_find_idev+0x102/0x170 [ 1714.926585][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.926585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.926585][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.926585][ T74] netlink_unicast+0x449/0x710 [ 1714.926585][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.926585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.926585][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.926585][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.926585][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.926585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.926585][ T74] [ 1714.928234][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1714.928234][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1714.928234][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1714.928234][ T74] ipv6_find_idev+0x102/0x170 [ 1714.928234][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.928234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.928234][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.928234][ T74] netlink_unicast+0x449/0x710 [ 1714.928234][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.928234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.928234][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.928234][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.928234][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.928234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.928234][ T74] [ 1714.930148][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1714.930584][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1714.930584][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.930584][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.930584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.930584][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1714.930584][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1714.930584][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1714.930584][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1714.930584][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1714.930584][ T74] addrconf_dad_begin+0x310/0x670 [ 1714.930584][ T74] addrconf_dad_work+0x10b/0xab0 [ 1714.930584][ T74] process_one_work+0x84d/0x18a0 [ 1714.930584][ T74] worker_thread+0x587/0xd30 [ 1714.930584][ T74] kthread+0x28a/0x350 [ 1714.930584][ T74] ret_from_fork+0x31/0x70 [ 1714.930584][ T74] ret_from_fork_asm+0x1a/0x30 [ 1714.930584][ T74] [ 1714.932708][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1714.932708][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.932708][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.932708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.932708][ T74] ip6_route_add+0x1c/0x140 [ 1714.932708][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1714.932708][ T74] inet6_addr_add+0x4f8/0xa40 [ 1714.932708][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.932708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.932708][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.932708][ T74] netlink_unicast+0x449/0x710 [ 1714.932708][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.932708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.932708][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.932708][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.932708][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.932708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.932708][ T74] [ 1714.935023][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1714.935023][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.935023][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.935023][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.935023][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1714.935023][ T74] ipv6_add_addr+0x411/0x2000 [ 1714.935023][ T74] inet6_addr_add+0x30e/0xa40 [ 1714.935023][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.935023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.935023][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.935023][ T74] netlink_unicast+0x449/0x710 [ 1714.935023][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.935023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.935023][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.935023][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.935023][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.935023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.935023][ T74] [ 1714.937175][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1714.937175][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.937175][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.937175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.937175][ T74] ip6_route_add+0x1c/0x140 [ 1714.937175][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.937175][ T74] addrconf_add_dev+0xe2/0x170 [ 1714.937175][ T74] inet6_addr_add+0x12f/0xa40 [ 1714.937175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.937175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.937175][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.937175][ T74] netlink_unicast+0x449/0x710 [ 1714.937175][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.937175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.937175][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.937175][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.937175][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.937175][ T74] [ 1714.939384][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1714.939384][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1714.939384][ T74] ipv6_find_idev+0x102/0x170 [ 1714.939384][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.939384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.939384][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.939384][ T74] netlink_unicast+0x449/0x710 [ 1714.939384][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.939384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.939384][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.939384][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.939384][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.939384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.939384][ T74] [ 1714.941137][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1714.941137][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1714.941137][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1714.941137][ T74] ipv6_find_idev+0x102/0x170 [ 1714.941137][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.941137][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.941137][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.941137][ T74] netlink_unicast+0x449/0x710 [ 1714.941137][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.941137][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.941137][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.941137][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.941137][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.941137][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.941137][ T74] [ 1714.942972][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1714.943222][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1714.943222][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.943222][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.943222][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.943222][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1714.943222][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1714.943222][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1714.943222][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1714.943222][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1714.943222][ T74] addrconf_dad_begin+0x310/0x670 [ 1714.943222][ T74] addrconf_dad_work+0x10b/0xab0 [ 1714.943222][ T74] process_one_work+0x84d/0x18a0 [ 1714.943222][ T74] worker_thread+0x587/0xd30 [ 1714.943222][ T74] kthread+0x28a/0x350 [ 1714.943222][ T74] ret_from_fork+0x31/0x70 [ 1714.943222][ T74] ret_from_fork_asm+0x1a/0x30 [ 1714.943222][ T74] [ 1714.945309][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1714.945309][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.945309][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.945309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.945309][ T74] ip6_route_add+0x1c/0x140 [ 1714.945309][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1714.945309][ T74] inet6_addr_add+0x4f8/0xa40 [ 1714.945309][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.945309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.945309][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.945309][ T74] netlink_unicast+0x449/0x710 [ 1714.945309][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.945309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.945309][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.945309][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.945309][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.945309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.945309][ T74] [ 1714.947329][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1714.947329][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.947329][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.947329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.947329][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1714.947329][ T74] ipv6_add_addr+0x411/0x2000 [ 1714.947329][ T74] inet6_addr_add+0x30e/0xa40 [ 1714.947329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.947329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.947329][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.947329][ T74] netlink_unicast+0x449/0x710 [ 1714.947329][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.947329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.947329][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.947329][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.947329][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.947329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.947329][ T74] [ 1714.949376][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1714.949376][ T74] netdev_get_by_index+0x5e/0x80 [ 1714.949376][ T74] fib6_nh_init+0x3d8/0x1580 [ 1714.949376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1714.949376][ T74] ip6_route_add+0x1c/0x140 [ 1714.949376][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1714.949376][ T74] addrconf_add_dev+0xe2/0x170 [ 1714.949376][ T74] inet6_addr_add+0x12f/0xa40 [ 1714.949376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1714.949376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.949376][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.949376][ T74] netlink_unicast+0x449/0x710 [ 1714.949376][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.949376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.949376][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.949376][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.949376][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.949376][ T74] [ 1714.951337][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1714.951337][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1714.951337][ T74] ipv6_find_idev+0x102/0x170 [ 1714.951337][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.951337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.951337][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.951337][ T74] netlink_unicast+0x449/0x710 [ 1714.951337][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.951337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.951337][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.951337][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.951337][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.951337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.951337][ T74] [ 1714.953017][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1714.953017][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1714.953017][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1714.953017][ T74] ipv6_find_idev+0x102/0x170 [ 1714.953017][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1714.953017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1714.953017][ T74] netlink_rcv_skb+0x130/0x360 [ 1714.953017][ T74] netlink_unicast+0x449/0x710 [ 1714.953017][ T74] netlink_sendmsg+0x723/0xbe0 [ 1714.953017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1714.953017][ T74] ___sys_sendmsg+0xee/0x170 [ 1714.953017][ T74] __sys_sendmsg+0xcd/0x170 [ 1714.953017][ T74] do_syscall_64+0xc6/0x1e0 [ 1714.953017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1714.953017][ T74] [ 1725.065027][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1725.065319][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1725.065319][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.065319][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.065319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.065319][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1725.065319][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1725.065319][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1725.065319][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1725.065319][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1725.065319][ T74] addrconf_dad_begin+0x310/0x670 [ 1725.065319][ T74] addrconf_dad_work+0x10b/0xab0 [ 1725.065319][ T74] process_one_work+0x84d/0x18a0 [ 1725.065319][ T74] worker_thread+0x587/0xd30 [ 1725.065319][ T74] kthread+0x28a/0x350 [ 1725.065319][ T74] ret_from_fork+0x31/0x70 [ 1725.065319][ T74] ret_from_fork_asm+0x1a/0x30 [ 1725.065319][ T74] [ 1725.067315][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1725.067315][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.067315][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.067315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.067315][ T74] ip6_route_add+0x1c/0x140 [ 1725.067315][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1725.067315][ T74] inet6_addr_add+0x4f8/0xa40 [ 1725.067315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.067315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.067315][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.067315][ T74] netlink_unicast+0x449/0x710 [ 1725.067315][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.067315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.067315][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.067315][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.067315][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.067315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.067315][ T74] [ 1725.069372][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1725.069372][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.069372][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.069372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.069372][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1725.069372][ T74] ipv6_add_addr+0x411/0x2000 [ 1725.069372][ T74] inet6_addr_add+0x30e/0xa40 [ 1725.069372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.069372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.069372][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.069372][ T74] netlink_unicast+0x449/0x710 [ 1725.069372][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.069372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.069372][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.069372][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.069372][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.069372][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.069372][ T74] [ 1725.071482][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1725.071482][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.071482][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.071482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.071482][ T74] ip6_route_add+0x1c/0x140 [ 1725.071482][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.071482][ T74] addrconf_add_dev+0xe2/0x170 [ 1725.071482][ T74] inet6_addr_add+0x12f/0xa40 [ 1725.071482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.071482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.071482][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.071482][ T74] netlink_unicast+0x449/0x710 [ 1725.071482][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.071482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.071482][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.071482][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.071482][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.071482][ T74] [ 1725.073557][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1725.073557][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1725.073557][ T74] ipv6_find_idev+0x102/0x170 [ 1725.073557][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.073557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.073557][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.073557][ T74] netlink_unicast+0x449/0x710 [ 1725.073557][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.073557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.073557][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.073557][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.073557][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.073557][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.073557][ T74] [ 1725.075196][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1725.075196][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1725.075196][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1725.075196][ T74] ipv6_find_idev+0x102/0x170 [ 1725.075196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.075196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.075196][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.075196][ T74] netlink_unicast+0x449/0x710 [ 1725.075196][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.075196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.075196][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.075196][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.075196][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.075196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.075196][ T74] [ 1725.077221][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1725.077610][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1725.077610][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.077610][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.077610][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.077610][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1725.077610][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1725.077610][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1725.077610][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1725.077610][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1725.077610][ T74] addrconf_dad_begin+0x310/0x670 [ 1725.077610][ T74] addrconf_dad_work+0x10b/0xab0 [ 1725.077610][ T74] process_one_work+0x84d/0x18a0 [ 1725.077610][ T74] worker_thread+0x587/0xd30 [ 1725.077610][ T74] kthread+0x28a/0x350 [ 1725.077610][ T74] ret_from_fork+0x31/0x70 [ 1725.077610][ T74] ret_from_fork_asm+0x1a/0x30 [ 1725.077610][ T74] [ 1725.079784][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1725.079784][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.079784][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.079784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.079784][ T74] ip6_route_add+0x1c/0x140 [ 1725.079784][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1725.079784][ T74] inet6_addr_add+0x4f8/0xa40 [ 1725.079784][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.079784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.079784][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.079784][ T74] netlink_unicast+0x449/0x710 [ 1725.079784][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.079784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.079784][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.079784][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.079784][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.079784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.079784][ T74] [ 1725.082133][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1725.082133][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.082133][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.082133][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.082133][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1725.082133][ T74] ipv6_add_addr+0x411/0x2000 [ 1725.082133][ T74] inet6_addr_add+0x30e/0xa40 [ 1725.082133][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.082133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.082133][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.082133][ T74] netlink_unicast+0x449/0x710 [ 1725.082133][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.082133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.082133][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.082133][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.082133][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.082133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.082133][ T74] [ 1725.084496][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1725.084496][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.084496][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.084496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.084496][ T74] ip6_route_add+0x1c/0x140 [ 1725.084496][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.084496][ T74] addrconf_add_dev+0xe2/0x170 [ 1725.084496][ T74] inet6_addr_add+0x12f/0xa40 [ 1725.084496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.084496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.084496][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.084496][ T74] netlink_unicast+0x449/0x710 [ 1725.084496][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.084496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.084496][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.084496][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.084496][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.084496][ T74] [ 1725.086596][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1725.086596][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1725.086596][ T74] ipv6_find_idev+0x102/0x170 [ 1725.086596][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.086596][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.086596][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.086596][ T74] netlink_unicast+0x449/0x710 [ 1725.086596][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.086596][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.086596][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.086596][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.086596][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.086596][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.086596][ T74] [ 1725.088568][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1725.088568][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1725.088568][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1725.088568][ T74] ipv6_find_idev+0x102/0x170 [ 1725.088568][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.088568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.088568][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.088568][ T74] netlink_unicast+0x449/0x710 [ 1725.088568][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.088568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.088568][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.088568][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.088568][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.088568][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.088568][ T74] [ 1725.090590][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1725.091482][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1725.091482][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.091482][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.091482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.091482][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1725.091482][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1725.091482][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1725.091482][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1725.091482][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1725.091482][ T74] addrconf_dad_begin+0x310/0x670 [ 1725.091482][ T74] addrconf_dad_work+0x10b/0xab0 [ 1725.091482][ T74] process_one_work+0x84d/0x18a0 [ 1725.091482][ T74] worker_thread+0x587/0xd30 [ 1725.091482][ T74] kthread+0x28a/0x350 [ 1725.091482][ T74] ret_from_fork+0x31/0x70 [ 1725.091482][ T74] ret_from_fork_asm+0x1a/0x30 [ 1725.091482][ T74] [ 1725.093598][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1725.093598][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.093598][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.093598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.093598][ T74] ip6_route_add+0x1c/0x140 [ 1725.093598][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1725.093598][ T74] inet6_addr_add+0x4f8/0xa40 [ 1725.093598][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.093598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.093598][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.093598][ T74] netlink_unicast+0x449/0x710 [ 1725.093598][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.093598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.093598][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.093598][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.093598][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.093598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.093598][ T74] [ 1725.095945][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1725.095945][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.095945][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.095945][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.095945][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1725.095945][ T74] ipv6_add_addr+0x411/0x2000 [ 1725.095945][ T74] inet6_addr_add+0x30e/0xa40 [ 1725.095945][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.095945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.095945][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.095945][ T74] netlink_unicast+0x449/0x710 [ 1725.095945][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.095945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.095945][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.095945][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.095945][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.095945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.095945][ T74] [ 1725.098397][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1725.098397][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.098397][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.098397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.098397][ T74] ip6_route_add+0x1c/0x140 [ 1725.098397][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.098397][ T74] addrconf_add_dev+0xe2/0x170 [ 1725.098397][ T74] inet6_addr_add+0x12f/0xa40 [ 1725.098397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.098397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.098397][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.098397][ T74] netlink_unicast+0x449/0x710 [ 1725.098397][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.098397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.098397][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.098397][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.098397][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.098397][ T74] [ 1725.100760][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1725.100760][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1725.100760][ T74] ipv6_find_idev+0x102/0x170 [ 1725.100760][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.100760][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.100760][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.100760][ T74] netlink_unicast+0x449/0x710 [ 1725.100760][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.100760][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.100760][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.100760][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.100760][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.100760][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.100760][ T74] [ 1725.102435][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1725.102435][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1725.102435][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1725.102435][ T74] ipv6_find_idev+0x102/0x170 [ 1725.102435][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.102435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.102435][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.102435][ T74] netlink_unicast+0x449/0x710 [ 1725.102435][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.102435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.102435][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.102435][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.102435][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.102435][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.102435][ T74] [ 1725.104467][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1725.104724][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1725.104724][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.104724][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.104724][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.104724][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1725.104724][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1725.104724][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1725.104724][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1725.104724][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1725.104724][ T74] addrconf_dad_begin+0x310/0x670 [ 1725.104724][ T74] addrconf_dad_work+0x10b/0xab0 [ 1725.104724][ T74] process_one_work+0x84d/0x18a0 [ 1725.104724][ T74] worker_thread+0x587/0xd30 [ 1725.104724][ T74] kthread+0x28a/0x350 [ 1725.104724][ T74] ret_from_fork+0x31/0x70 [ 1725.104724][ T74] ret_from_fork_asm+0x1a/0x30 [ 1725.104724][ T74] [ 1725.106828][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1725.106828][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.106828][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.106828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.106828][ T74] ip6_route_add+0x1c/0x140 [ 1725.106828][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1725.106828][ T74] inet6_addr_add+0x4f8/0xa40 [ 1725.106828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.106828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.106828][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.106828][ T74] netlink_unicast+0x449/0x710 [ 1725.106828][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.106828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.106828][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.106828][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.106828][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.106828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.106828][ T74] [ 1725.108960][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1725.108960][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.108960][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.108960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.108960][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1725.108960][ T74] ipv6_add_addr+0x411/0x2000 [ 1725.108960][ T74] inet6_addr_add+0x30e/0xa40 [ 1725.108960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.108960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.108960][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.108960][ T74] netlink_unicast+0x449/0x710 [ 1725.108960][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.108960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.108960][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.108960][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.108960][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.108960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.108960][ T74] [ 1725.111171][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1725.111171][ T74] netdev_get_by_index+0x5e/0x80 [ 1725.111171][ T74] fib6_nh_init+0x3d8/0x1580 [ 1725.111171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1725.111171][ T74] ip6_route_add+0x1c/0x140 [ 1725.111171][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1725.111171][ T74] addrconf_add_dev+0xe2/0x170 [ 1725.111171][ T74] inet6_addr_add+0x12f/0xa40 [ 1725.111171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1725.111171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.111171][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.111171][ T74] netlink_unicast+0x449/0x710 [ 1725.111171][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.111171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.111171][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.111171][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.111171][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.111171][ T74] [ 1725.113577][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1725.113577][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1725.113577][ T74] ipv6_find_idev+0x102/0x170 [ 1725.113577][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.113577][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.113577][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.113577][ T74] netlink_unicast+0x449/0x710 [ 1725.113577][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.113577][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.113577][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.113577][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.113577][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.113577][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.113577][ T74] [ 1725.115377][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1725.115377][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1725.115377][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1725.115377][ T74] ipv6_find_idev+0x102/0x170 [ 1725.115377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1725.115377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1725.115377][ T74] netlink_rcv_skb+0x130/0x360 [ 1725.115377][ T74] netlink_unicast+0x449/0x710 [ 1725.115377][ T74] netlink_sendmsg+0x723/0xbe0 [ 1725.115377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1725.115377][ T74] ___sys_sendmsg+0xee/0x170 [ 1725.115377][ T74] __sys_sendmsg+0xcd/0x170 [ 1725.115377][ T74] do_syscall_64+0xc6/0x1e0 [ 1725.115377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1725.115377][ T74] [ 1735.241954][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1735.242241][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1735.242241][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.242241][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.242241][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.242241][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1735.242241][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1735.242241][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1735.242241][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1735.242241][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1735.242241][ T74] addrconf_dad_begin+0x310/0x670 [ 1735.242241][ T74] addrconf_dad_work+0x10b/0xab0 [ 1735.242241][ T74] process_one_work+0x84d/0x18a0 [ 1735.242241][ T74] worker_thread+0x587/0xd30 [ 1735.242241][ T74] kthread+0x28a/0x350 [ 1735.242241][ T74] ret_from_fork+0x31/0x70 [ 1735.242241][ T74] ret_from_fork_asm+0x1a/0x30 [ 1735.242241][ T74] [ 1735.244211][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1735.244211][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.244211][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.244211][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.244211][ T74] ip6_route_add+0x1c/0x140 [ 1735.244211][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1735.244211][ T74] inet6_addr_add+0x4f8/0xa40 [ 1735.244211][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.244211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.244211][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.244211][ T74] netlink_unicast+0x449/0x710 [ 1735.244211][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.244211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.244211][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.244211][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.244211][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.244211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.244211][ T74] [ 1735.246217][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1735.246217][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.246217][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.246217][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.246217][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1735.246217][ T74] ipv6_add_addr+0x411/0x2000 [ 1735.246217][ T74] inet6_addr_add+0x30e/0xa40 [ 1735.246217][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.246217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.246217][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.246217][ T74] netlink_unicast+0x449/0x710 [ 1735.246217][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.246217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.246217][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.246217][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.246217][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.246217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.246217][ T74] [ 1735.248225][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1735.248225][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.248225][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.248225][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.248225][ T74] ip6_route_add+0x1c/0x140 [ 1735.248225][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1735.248225][ T74] addrconf_add_dev+0xe2/0x170 [ 1735.248225][ T74] inet6_addr_add+0x12f/0xa40 [ 1735.248225][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.248225][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.248225][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.248225][ T74] netlink_unicast+0x449/0x710 [ 1735.248225][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.248225][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.248225][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.248225][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.248225][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.248225][ T74] [ 1735.250201][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1735.250201][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1735.250201][ T74] ipv6_find_idev+0x102/0x170 [ 1735.250201][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.250201][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.250201][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.250201][ T74] netlink_unicast+0x449/0x710 [ 1735.250201][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.250201][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.250201][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.250201][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.250201][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.250201][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.250201][ T74] [ 1735.251776][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1735.251776][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1735.251776][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1735.251776][ T74] ipv6_find_idev+0x102/0x170 [ 1735.251776][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.251776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.251776][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.251776][ T74] netlink_unicast+0x449/0x710 [ 1735.251776][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.251776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.251776][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.251776][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.251776][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.251776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.251776][ T74] [ 1735.253879][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1735.254150][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1735.254150][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.254150][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.254150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.254150][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1735.254150][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1735.254150][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1735.254150][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1735.254150][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1735.254150][ T74] addrconf_dad_begin+0x310/0x670 [ 1735.254150][ T74] addrconf_dad_work+0x10b/0xab0 [ 1735.254150][ T74] process_one_work+0x84d/0x18a0 [ 1735.254150][ T74] worker_thread+0x587/0xd30 [ 1735.254150][ T74] kthread+0x28a/0x350 [ 1735.254150][ T74] ret_from_fork+0x31/0x70 [ 1735.254150][ T74] ret_from_fork_asm+0x1a/0x30 [ 1735.254150][ T74] [ 1735.256131][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1735.256131][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.256131][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.256131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.256131][ T74] ip6_route_add+0x1c/0x140 [ 1735.256131][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1735.256131][ T74] inet6_addr_add+0x4f8/0xa40 [ 1735.256131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.256131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.256131][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.256131][ T74] netlink_unicast+0x449/0x710 [ 1735.256131][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.256131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.256131][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.256131][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.256131][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.256131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.256131][ T74] [ 1735.258306][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1735.258306][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.258306][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.258306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.258306][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1735.258306][ T74] ipv6_add_addr+0x411/0x2000 [ 1735.258306][ T74] inet6_addr_add+0x30e/0xa40 [ 1735.258306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.258306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.258306][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.258306][ T74] netlink_unicast+0x449/0x710 [ 1735.258306][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.258306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.258306][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.258306][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.258306][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.258306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.258306][ T74] [ 1735.260491][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1735.260491][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.260491][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.260491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.260491][ T74] ip6_route_add+0x1c/0x140 [ 1735.260491][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1735.260491][ T74] addrconf_add_dev+0xe2/0x170 [ 1735.260491][ T74] inet6_addr_add+0x12f/0xa40 [ 1735.260491][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.260491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.260491][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.260491][ T74] netlink_unicast+0x449/0x710 [ 1735.260491][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.260491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.260491][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.260491][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.260491][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.260491][ T74] [ 1735.262981][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1735.262981][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1735.262981][ T74] ipv6_find_idev+0x102/0x170 [ 1735.262981][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.262981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.262981][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.262981][ T74] netlink_unicast+0x449/0x710 [ 1735.262981][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.262981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.262981][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.262981][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.262981][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.262981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.262981][ T74] [ 1735.264706][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1735.264706][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1735.264706][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1735.264706][ T74] ipv6_find_idev+0x102/0x170 [ 1735.264706][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.264706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.264706][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.264706][ T74] netlink_unicast+0x449/0x710 [ 1735.264706][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.264706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.264706][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.264706][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.264706][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.264706][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.264706][ T74] [ 1735.266584][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1735.266835][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1735.266835][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.266835][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.266835][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.266835][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1735.266835][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1735.266835][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1735.266835][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1735.266835][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1735.266835][ T74] addrconf_dad_begin+0x310/0x670 [ 1735.266835][ T74] addrconf_dad_work+0x10b/0xab0 [ 1735.266835][ T74] process_one_work+0x84d/0x18a0 [ 1735.266835][ T74] worker_thread+0x587/0xd30 [ 1735.266835][ T74] kthread+0x28a/0x350 [ 1735.266835][ T74] ret_from_fork+0x31/0x70 [ 1735.266835][ T74] ret_from_fork_asm+0x1a/0x30 [ 1735.266835][ T74] [ 1735.268884][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1735.268884][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.268884][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.268884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.268884][ T74] ip6_route_add+0x1c/0x140 [ 1735.268884][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1735.268884][ T74] inet6_addr_add+0x4f8/0xa40 [ 1735.268884][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.268884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.268884][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.268884][ T74] netlink_unicast+0x449/0x710 [ 1735.268884][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.268884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.268884][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.268884][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.268884][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.268884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.268884][ T74] [ 1735.271001][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1735.271001][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.271001][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.271001][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.271001][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1735.271001][ T74] ipv6_add_addr+0x411/0x2000 [ 1735.271001][ T74] inet6_addr_add+0x30e/0xa40 [ 1735.271001][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.271001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.271001][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.271001][ T74] netlink_unicast+0x449/0x710 [ 1735.271001][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.271001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.271001][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.271001][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.271001][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.271001][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.271001][ T74] [ 1735.273243][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1735.273243][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.273243][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.273243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.273243][ T74] ip6_route_add+0x1c/0x140 [ 1735.273243][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1735.273243][ T74] addrconf_add_dev+0xe2/0x170 [ 1735.273243][ T74] inet6_addr_add+0x12f/0xa40 [ 1735.273243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.273243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.273243][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.273243][ T74] netlink_unicast+0x449/0x710 [ 1735.273243][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.273243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.273243][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.273243][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.273243][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.273243][ T74] [ 1735.275461][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1735.275461][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1735.275461][ T74] ipv6_find_idev+0x102/0x170 [ 1735.275461][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.275461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.275461][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.275461][ T74] netlink_unicast+0x449/0x710 [ 1735.275461][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.275461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.275461][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.275461][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.275461][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.275461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.275461][ T74] [ 1735.277183][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1735.277183][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1735.277183][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1735.277183][ T74] ipv6_find_idev+0x102/0x170 [ 1735.277183][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.277183][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.277183][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.277183][ T74] netlink_unicast+0x449/0x710 [ 1735.277183][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.277183][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.277183][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.277183][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.277183][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.277183][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.277183][ T74] [ 1735.279121][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1735.279362][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1735.279362][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.279362][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.279362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.279362][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1735.279362][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1735.279362][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1735.279362][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1735.279362][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1735.279362][ T74] addrconf_dad_begin+0x310/0x670 [ 1735.279362][ T74] addrconf_dad_work+0x10b/0xab0 [ 1735.279362][ T74] process_one_work+0x84d/0x18a0 [ 1735.279362][ T74] worker_thread+0x587/0xd30 [ 1735.279362][ T74] kthread+0x28a/0x350 [ 1735.279362][ T74] ret_from_fork+0x31/0x70 [ 1735.279362][ T74] ret_from_fork_asm+0x1a/0x30 [ 1735.279362][ T74] [ 1735.281392][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1735.281392][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.281392][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.281392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.281392][ T74] ip6_route_add+0x1c/0x140 [ 1735.281392][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1735.281392][ T74] inet6_addr_add+0x4f8/0xa40 [ 1735.281392][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.281392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.281392][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.281392][ T74] netlink_unicast+0x449/0x710 [ 1735.281392][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.281392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.281392][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.281392][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.281392][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.281392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.281392][ T74] [ 1735.283708][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1735.283708][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.283708][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.283708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.283708][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1735.283708][ T74] ipv6_add_addr+0x411/0x2000 [ 1735.283708][ T74] inet6_addr_add+0x30e/0xa40 [ 1735.283708][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.283708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.283708][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.283708][ T74] netlink_unicast+0x449/0x710 [ 1735.283708][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.283708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.283708][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.283708][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.283708][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.283708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.283708][ T74] [ 1735.285944][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1735.285944][ T74] netdev_get_by_index+0x5e/0x80 [ 1735.285944][ T74] fib6_nh_init+0x3d8/0x1580 [ 1735.285944][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1735.285944][ T74] ip6_route_add+0x1c/0x140 [ 1735.285944][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1735.285944][ T74] addrconf_add_dev+0xe2/0x170 [ 1735.285944][ T74] inet6_addr_add+0x12f/0xa40 [ 1735.285944][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1735.285944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.285944][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.285944][ T74] netlink_unicast+0x449/0x710 [ 1735.285944][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.285944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.285944][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.285944][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.285944][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.285944][ T74] [ 1735.288091][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1735.288091][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1735.288091][ T74] ipv6_find_idev+0x102/0x170 [ 1735.288091][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.288091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.288091][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.288091][ T74] netlink_unicast+0x449/0x710 [ 1735.288091][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.288091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.288091][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.288091][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.288091][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.288091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.288091][ T74] [ 1735.289812][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1735.289812][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1735.289812][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1735.289812][ T74] ipv6_find_idev+0x102/0x170 [ 1735.289812][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1735.289812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1735.289812][ T74] netlink_rcv_skb+0x130/0x360 [ 1735.289812][ T74] netlink_unicast+0x449/0x710 [ 1735.289812][ T74] netlink_sendmsg+0x723/0xbe0 [ 1735.289812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1735.289812][ T74] ___sys_sendmsg+0xee/0x170 [ 1735.289812][ T74] __sys_sendmsg+0xcd/0x170 [ 1735.289812][ T74] do_syscall_64+0xc6/0x1e0 [ 1735.289812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1735.289812][ T74] [ 1745.440848][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1745.441153][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1745.441153][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.441153][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.441153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.441153][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1745.441153][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1745.441153][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1745.441153][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1745.441153][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1745.441153][ T74] addrconf_dad_begin+0x310/0x670 [ 1745.441153][ T74] addrconf_dad_work+0x10b/0xab0 [ 1745.441153][ T74] process_one_work+0x84d/0x18a0 [ 1745.441153][ T74] worker_thread+0x587/0xd30 [ 1745.441153][ T74] kthread+0x28a/0x350 [ 1745.441153][ T74] ret_from_fork+0x31/0x70 [ 1745.441153][ T74] ret_from_fork_asm+0x1a/0x30 [ 1745.441153][ T74] [ 1745.443114][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1745.443114][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.443114][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.443114][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.443114][ T74] ip6_route_add+0x1c/0x140 [ 1745.443114][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1745.443114][ T74] inet6_addr_add+0x4f8/0xa40 [ 1745.443114][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.443114][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.443114][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.443114][ T74] netlink_unicast+0x449/0x710 [ 1745.443114][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.443114][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.443114][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.443114][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.443114][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.443114][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.443114][ T74] [ 1745.445140][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1745.445140][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.445140][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.445140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.445140][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1745.445140][ T74] ipv6_add_addr+0x411/0x2000 [ 1745.445140][ T74] inet6_addr_add+0x30e/0xa40 [ 1745.445140][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.445140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.445140][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.445140][ T74] netlink_unicast+0x449/0x710 [ 1745.445140][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.445140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.445140][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.445140][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.445140][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.445140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.445140][ T74] [ 1745.447138][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1745.447138][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.447138][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.447138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.447138][ T74] ip6_route_add+0x1c/0x140 [ 1745.447138][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1745.447138][ T74] addrconf_add_dev+0xe2/0x170 [ 1745.447138][ T74] inet6_addr_add+0x12f/0xa40 [ 1745.447138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.447138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.447138][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.447138][ T74] netlink_unicast+0x449/0x710 [ 1745.447138][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.447138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.447138][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.447138][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.447138][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.447138][ T74] [ 1745.449086][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1745.449086][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1745.449086][ T74] ipv6_find_idev+0x102/0x170 [ 1745.449086][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.449086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.449086][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.449086][ T74] netlink_unicast+0x449/0x710 [ 1745.449086][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.449086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.449086][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.449086][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.449086][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.449086][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.449086][ T74] [ 1745.450616][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1745.450616][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1745.450616][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1745.450616][ T74] ipv6_find_idev+0x102/0x170 [ 1745.450616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.450616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.450616][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.450616][ T74] netlink_unicast+0x449/0x710 [ 1745.450616][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.450616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.450616][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.450616][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.450616][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.450616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.450616][ T74] [ 1745.452372][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1745.452625][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1745.452625][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.452625][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.452625][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.452625][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1745.452625][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1745.452625][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1745.452625][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1745.452625][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1745.452625][ T74] addrconf_dad_begin+0x310/0x670 [ 1745.452625][ T74] addrconf_dad_work+0x10b/0xab0 [ 1745.452625][ T74] process_one_work+0x84d/0x18a0 [ 1745.452625][ T74] worker_thread+0x587/0xd30 [ 1745.452625][ T74] kthread+0x28a/0x350 [ 1745.452625][ T74] ret_from_fork+0x31/0x70 [ 1745.452625][ T74] ret_from_fork_asm+0x1a/0x30 [ 1745.452625][ T74] [ 1745.454546][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1745.454546][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.454546][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.454546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.454546][ T74] ip6_route_add+0x1c/0x140 [ 1745.454546][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1745.454546][ T74] inet6_addr_add+0x4f8/0xa40 [ 1745.454546][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.454546][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.454546][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.454546][ T74] netlink_unicast+0x449/0x710 [ 1745.454546][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.454546][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.454546][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.454546][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.454546][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.454546][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.454546][ T74] [ 1745.456553][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1745.456553][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.456553][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.456553][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.456553][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1745.456553][ T74] ipv6_add_addr+0x411/0x2000 [ 1745.456553][ T74] inet6_addr_add+0x30e/0xa40 [ 1745.456553][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.456553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.456553][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.456553][ T74] netlink_unicast+0x449/0x710 [ 1745.456553][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.456553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.456553][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.456553][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.456553][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.456553][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.456553][ T74] [ 1745.458572][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1745.458572][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.458572][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.458572][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.458572][ T74] ip6_route_add+0x1c/0x140 [ 1745.458572][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1745.458572][ T74] addrconf_add_dev+0xe2/0x170 [ 1745.458572][ T74] inet6_addr_add+0x12f/0xa40 [ 1745.458572][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.458572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.458572][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.458572][ T74] netlink_unicast+0x449/0x710 [ 1745.458572][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.458572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.458572][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.458572][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.458572][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.458572][ T74] [ 1745.460539][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1745.460539][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1745.460539][ T74] ipv6_find_idev+0x102/0x170 [ 1745.460539][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.460539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.460539][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.460539][ T74] netlink_unicast+0x449/0x710 [ 1745.460539][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.460539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.460539][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.460539][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.460539][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.460539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.460539][ T74] [ 1745.462089][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1745.462089][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1745.462089][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1745.462089][ T74] ipv6_find_idev+0x102/0x170 [ 1745.462089][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.462089][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.462089][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.462089][ T74] netlink_unicast+0x449/0x710 [ 1745.462089][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.462089][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.462089][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.462089][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.462089][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.462089][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.462089][ T74] [ 1745.463790][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1745.464044][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1745.464044][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.464044][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.464044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.464044][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1745.464044][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1745.464044][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1745.464044][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1745.464044][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1745.464044][ T74] addrconf_dad_begin+0x310/0x670 [ 1745.464044][ T74] addrconf_dad_work+0x10b/0xab0 [ 1745.464044][ T74] process_one_work+0x84d/0x18a0 [ 1745.464044][ T74] worker_thread+0x587/0xd30 [ 1745.464044][ T74] kthread+0x28a/0x350 [ 1745.464044][ T74] ret_from_fork+0x31/0x70 [ 1745.464044][ T74] ret_from_fork_asm+0x1a/0x30 [ 1745.464044][ T74] [ 1745.465952][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1745.465952][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.465952][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.465952][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.465952][ T74] ip6_route_add+0x1c/0x140 [ 1745.465952][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1745.465952][ T74] inet6_addr_add+0x4f8/0xa40 [ 1745.465952][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.465952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.465952][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.465952][ T74] netlink_unicast+0x449/0x710 [ 1745.465952][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.465952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.465952][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.465952][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.465952][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.465952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.465952][ T74] [ 1745.468011][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1745.468011][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.468011][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.468011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.468011][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1745.468011][ T74] ipv6_add_addr+0x411/0x2000 [ 1745.468011][ T74] inet6_addr_add+0x30e/0xa40 [ 1745.468011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.468011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.468011][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.468011][ T74] netlink_unicast+0x449/0x710 [ 1745.468011][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.468011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.468011][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.468011][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.468011][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.468011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.468011][ T74] [ 1745.470194][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1745.470194][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.470194][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.470194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.470194][ T74] ip6_route_add+0x1c/0x140 [ 1745.470194][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1745.470194][ T74] addrconf_add_dev+0xe2/0x170 [ 1745.470194][ T74] inet6_addr_add+0x12f/0xa40 [ 1745.470194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.470194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.470194][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.470194][ T74] netlink_unicast+0x449/0x710 [ 1745.470194][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.470194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.470194][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.470194][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.470194][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.470194][ T74] [ 1745.472397][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1745.472397][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1745.472397][ T74] ipv6_find_idev+0x102/0x170 [ 1745.472397][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.472397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.472397][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.472397][ T74] netlink_unicast+0x449/0x710 [ 1745.472397][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.472397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.472397][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.472397][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.472397][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.472397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.472397][ T74] [ 1745.474196][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1745.474196][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1745.474196][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1745.474196][ T74] ipv6_find_idev+0x102/0x170 [ 1745.474196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.474196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.474196][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.474196][ T74] netlink_unicast+0x449/0x710 [ 1745.474196][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.474196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.474196][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.474196][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.474196][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.474196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.474196][ T74] [ 1745.476083][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1745.476326][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1745.476326][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.476326][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.476326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.476326][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1745.476326][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1745.476326][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1745.476326][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1745.476326][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1745.476326][ T74] addrconf_dad_begin+0x310/0x670 [ 1745.476326][ T74] addrconf_dad_work+0x10b/0xab0 [ 1745.476326][ T74] process_one_work+0x84d/0x18a0 [ 1745.476326][ T74] worker_thread+0x587/0xd30 [ 1745.476326][ T74] kthread+0x28a/0x350 [ 1745.476326][ T74] ret_from_fork+0x31/0x70 [ 1745.476326][ T74] ret_from_fork_asm+0x1a/0x30 [ 1745.476326][ T74] [ 1745.478410][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1745.478410][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.478410][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.478410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.478410][ T74] ip6_route_add+0x1c/0x140 [ 1745.478410][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1745.478410][ T74] inet6_addr_add+0x4f8/0xa40 [ 1745.478410][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.478410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.478410][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.478410][ T74] netlink_unicast+0x449/0x710 [ 1745.478410][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.478410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.478410][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.478410][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.478410][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.478410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.478410][ T74] [ 1745.480644][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1745.480644][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.480644][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.480644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.480644][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1745.480644][ T74] ipv6_add_addr+0x411/0x2000 [ 1745.480644][ T74] inet6_addr_add+0x30e/0xa40 [ 1745.480644][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.480644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.480644][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.480644][ T74] netlink_unicast+0x449/0x710 [ 1745.480644][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.480644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.480644][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.480644][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.480644][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.480644][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.480644][ T74] [ 1745.482886][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1745.482886][ T74] netdev_get_by_index+0x5e/0x80 [ 1745.482886][ T74] fib6_nh_init+0x3d8/0x1580 [ 1745.482886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1745.482886][ T74] ip6_route_add+0x1c/0x140 [ 1745.482886][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1745.482886][ T74] addrconf_add_dev+0xe2/0x170 [ 1745.482886][ T74] inet6_addr_add+0x12f/0xa40 [ 1745.482886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1745.482886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.482886][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.482886][ T74] netlink_unicast+0x449/0x710 [ 1745.482886][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.482886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.482886][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.482886][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.482886][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.482886][ T74] [ 1745.485033][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1745.485033][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1745.485033][ T74] ipv6_find_idev+0x102/0x170 [ 1745.485033][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.485033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.485033][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.485033][ T74] netlink_unicast+0x449/0x710 [ 1745.485033][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.485033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.485033][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.485033][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.485033][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.485033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.485033][ T74] [ 1745.486747][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1745.486747][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1745.486747][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1745.486747][ T74] ipv6_find_idev+0x102/0x170 [ 1745.486747][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1745.486747][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1745.486747][ T74] netlink_rcv_skb+0x130/0x360 [ 1745.486747][ T74] netlink_unicast+0x449/0x710 [ 1745.486747][ T74] netlink_sendmsg+0x723/0xbe0 [ 1745.486747][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1745.486747][ T74] ___sys_sendmsg+0xee/0x170 [ 1745.486747][ T74] __sys_sendmsg+0xcd/0x170 [ 1745.486747][ T74] do_syscall_64+0xc6/0x1e0 [ 1745.486747][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1745.486747][ T74] [ 1755.592863][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1755.593179][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1755.593179][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.593179][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.593179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.593179][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1755.593179][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1755.593179][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1755.593179][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1755.593179][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1755.593179][ T74] addrconf_dad_begin+0x310/0x670 [ 1755.593179][ T74] addrconf_dad_work+0x10b/0xab0 [ 1755.593179][ T74] process_one_work+0x84d/0x18a0 [ 1755.593179][ T74] worker_thread+0x587/0xd30 [ 1755.593179][ T74] kthread+0x28a/0x350 [ 1755.593179][ T74] ret_from_fork+0x31/0x70 [ 1755.593179][ T74] ret_from_fork_asm+0x1a/0x30 [ 1755.593179][ T74] [ 1755.595240][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1755.595240][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.595240][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.595240][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.595240][ T74] ip6_route_add+0x1c/0x140 [ 1755.595240][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1755.595240][ T74] inet6_addr_add+0x4f8/0xa40 [ 1755.595240][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.595240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.595240][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.595240][ T74] netlink_unicast+0x449/0x710 [ 1755.595240][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.595240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.595240][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.595240][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.595240][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.595240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.595240][ T74] [ 1755.597346][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1755.597346][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.597346][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.597346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.597346][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1755.597346][ T74] ipv6_add_addr+0x411/0x2000 [ 1755.597346][ T74] inet6_addr_add+0x30e/0xa40 [ 1755.597346][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.597346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.597346][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.597346][ T74] netlink_unicast+0x449/0x710 [ 1755.597346][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.597346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.597346][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.597346][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.597346][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.597346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.597346][ T74] [ 1755.599462][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1755.599462][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.599462][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.599462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.599462][ T74] ip6_route_add+0x1c/0x140 [ 1755.599462][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.599462][ T74] addrconf_add_dev+0xe2/0x170 [ 1755.599462][ T74] inet6_addr_add+0x12f/0xa40 [ 1755.599462][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.599462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.599462][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.599462][ T74] netlink_unicast+0x449/0x710 [ 1755.599462][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.599462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.599462][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.599462][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.599462][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.599462][ T74] [ 1755.601538][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1755.601538][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1755.601538][ T74] ipv6_find_idev+0x102/0x170 [ 1755.601538][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.601538][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.601538][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.601538][ T74] netlink_unicast+0x449/0x710 [ 1755.601538][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.601538][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.601538][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.601538][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.601538][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.601538][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.601538][ T74] [ 1755.603135][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1755.603135][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1755.603135][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1755.603135][ T74] ipv6_find_idev+0x102/0x170 [ 1755.603135][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.603135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.603135][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.603135][ T74] netlink_unicast+0x449/0x710 [ 1755.603135][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.603135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.603135][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.603135][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.603135][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.603135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.603135][ T74] [ 1755.604900][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1755.605158][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1755.605158][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.605158][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.605158][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.605158][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1755.605158][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1755.605158][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1755.605158][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1755.605158][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1755.605158][ T74] addrconf_dad_begin+0x310/0x670 [ 1755.605158][ T74] addrconf_dad_work+0x10b/0xab0 [ 1755.605158][ T74] process_one_work+0x84d/0x18a0 [ 1755.605158][ T74] worker_thread+0x587/0xd30 [ 1755.605158][ T74] kthread+0x28a/0x350 [ 1755.605158][ T74] ret_from_fork+0x31/0x70 [ 1755.605158][ T74] ret_from_fork_asm+0x1a/0x30 [ 1755.605158][ T74] [ 1755.607310][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1755.607310][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.607310][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.607310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.607310][ T74] ip6_route_add+0x1c/0x140 [ 1755.607310][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1755.607310][ T74] inet6_addr_add+0x4f8/0xa40 [ 1755.607310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.607310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.607310][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.607310][ T74] netlink_unicast+0x449/0x710 [ 1755.607310][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.607310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.607310][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.607310][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.607310][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.607310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.607310][ T74] [ 1755.609647][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1755.609647][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.609647][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.609647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.609647][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1755.609647][ T74] ipv6_add_addr+0x411/0x2000 [ 1755.609647][ T74] inet6_addr_add+0x30e/0xa40 [ 1755.609647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.609647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.609647][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.609647][ T74] netlink_unicast+0x449/0x710 [ 1755.609647][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.609647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.609647][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.609647][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.609647][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.609647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.609647][ T74] [ 1755.611960][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1755.611960][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.611960][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.611960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.611960][ T74] ip6_route_add+0x1c/0x140 [ 1755.611960][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.611960][ T74] addrconf_add_dev+0xe2/0x170 [ 1755.611960][ T74] inet6_addr_add+0x12f/0xa40 [ 1755.611960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.611960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.611960][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.611960][ T74] netlink_unicast+0x449/0x710 [ 1755.611960][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.611960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.611960][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.611960][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.611960][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.611960][ T74] [ 1755.614311][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1755.614311][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1755.614311][ T74] ipv6_find_idev+0x102/0x170 [ 1755.614311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.614311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.614311][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.614311][ T74] netlink_unicast+0x449/0x710 [ 1755.614311][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.614311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.614311][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.614311][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.614311][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.614311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.614311][ T74] [ 1755.615972][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1755.615972][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1755.615972][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1755.615972][ T74] ipv6_find_idev+0x102/0x170 [ 1755.615972][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.615972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.615972][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.615972][ T74] netlink_unicast+0x449/0x710 [ 1755.615972][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.615972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.615972][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.615972][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.615972][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.615972][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.615972][ T74] [ 1755.617980][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1755.618237][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1755.618237][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.618237][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.618237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.618237][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1755.618237][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1755.618237][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1755.618237][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1755.618237][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1755.618237][ T74] addrconf_dad_begin+0x310/0x670 [ 1755.618237][ T74] addrconf_dad_work+0x10b/0xab0 [ 1755.618237][ T74] process_one_work+0x84d/0x18a0 [ 1755.618237][ T74] worker_thread+0x587/0xd30 [ 1755.618237][ T74] kthread+0x28a/0x350 [ 1755.618237][ T74] ret_from_fork+0x31/0x70 [ 1755.618237][ T74] ret_from_fork_asm+0x1a/0x30 [ 1755.618237][ T74] [ 1755.620312][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1755.620312][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.620312][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.620312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.620312][ T74] ip6_route_add+0x1c/0x140 [ 1755.620312][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1755.620312][ T74] inet6_addr_add+0x4f8/0xa40 [ 1755.620312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.620312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.620312][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.620312][ T74] netlink_unicast+0x449/0x710 [ 1755.620312][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.620312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.620312][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.620312][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.620312][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.620312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.620312][ T74] [ 1755.622613][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1755.622613][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.622613][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.622613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.622613][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1755.622613][ T74] ipv6_add_addr+0x411/0x2000 [ 1755.622613][ T74] inet6_addr_add+0x30e/0xa40 [ 1755.622613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.622613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.622613][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.622613][ T74] netlink_unicast+0x449/0x710 [ 1755.622613][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.622613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.622613][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.622613][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.622613][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.622613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.622613][ T74] [ 1755.624970][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1755.624970][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.624970][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.624970][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.624970][ T74] ip6_route_add+0x1c/0x140 [ 1755.624970][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.624970][ T74] addrconf_add_dev+0xe2/0x170 [ 1755.624970][ T74] inet6_addr_add+0x12f/0xa40 [ 1755.624970][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.624970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.624970][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.624970][ T74] netlink_unicast+0x449/0x710 [ 1755.624970][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.624970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.624970][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.624970][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.624970][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.624970][ T74] [ 1755.627181][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1755.627181][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1755.627181][ T74] ipv6_find_idev+0x102/0x170 [ 1755.627181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.627181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.627181][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.627181][ T74] netlink_unicast+0x449/0x710 [ 1755.627181][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.627181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.627181][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.627181][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.627181][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.627181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.627181][ T74] [ 1755.628778][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1755.628778][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1755.628778][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1755.628778][ T74] ipv6_find_idev+0x102/0x170 [ 1755.628778][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.628778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.628778][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.628778][ T74] netlink_unicast+0x449/0x710 [ 1755.628778][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.628778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.628778][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.628778][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.628778][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.628778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.628778][ T74] [ 1755.630575][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1755.630975][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1755.630975][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.630975][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.630975][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.630975][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1755.630975][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1755.630975][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1755.630975][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1755.630975][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1755.630975][ T74] addrconf_dad_begin+0x310/0x670 [ 1755.630975][ T74] addrconf_dad_work+0x10b/0xab0 [ 1755.630975][ T74] process_one_work+0x84d/0x18a0 [ 1755.630975][ T74] worker_thread+0x587/0xd30 [ 1755.630975][ T74] kthread+0x28a/0x350 [ 1755.630975][ T74] ret_from_fork+0x31/0x70 [ 1755.630975][ T74] ret_from_fork_asm+0x1a/0x30 [ 1755.630975][ T74] [ 1755.633178][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1755.633178][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.633178][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.633178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.633178][ T74] ip6_route_add+0x1c/0x140 [ 1755.633178][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1755.633178][ T74] inet6_addr_add+0x4f8/0xa40 [ 1755.633178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.633178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.633178][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.633178][ T74] netlink_unicast+0x449/0x710 [ 1755.633178][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.633178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.633178][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.633178][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.633178][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.633178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.633178][ T74] [ 1755.635444][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1755.635444][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.635444][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.635444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.635444][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1755.635444][ T74] ipv6_add_addr+0x411/0x2000 [ 1755.635444][ T74] inet6_addr_add+0x30e/0xa40 [ 1755.635444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.635444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.635444][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.635444][ T74] netlink_unicast+0x449/0x710 [ 1755.635444][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.635444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.635444][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.635444][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.635444][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.635444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.635444][ T74] [ 1755.637683][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1755.637683][ T74] netdev_get_by_index+0x5e/0x80 [ 1755.637683][ T74] fib6_nh_init+0x3d8/0x1580 [ 1755.637683][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1755.637683][ T74] ip6_route_add+0x1c/0x140 [ 1755.637683][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1755.637683][ T74] addrconf_add_dev+0xe2/0x170 [ 1755.637683][ T74] inet6_addr_add+0x12f/0xa40 [ 1755.637683][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1755.637683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.637683][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.637683][ T74] netlink_unicast+0x449/0x710 [ 1755.637683][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.637683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.637683][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.637683][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.637683][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.637683][ T74] [ 1755.639884][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1755.639884][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1755.639884][ T74] ipv6_find_idev+0x102/0x170 [ 1755.639884][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.639884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.639884][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.639884][ T74] netlink_unicast+0x449/0x710 [ 1755.639884][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.639884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.639884][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.639884][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.639884][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.639884][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.639884][ T74] [ 1755.641590][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1755.641590][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1755.641590][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1755.641590][ T74] ipv6_find_idev+0x102/0x170 [ 1755.641590][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1755.641590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1755.641590][ T74] netlink_rcv_skb+0x130/0x360 [ 1755.641590][ T74] netlink_unicast+0x449/0x710 [ 1755.641590][ T74] netlink_sendmsg+0x723/0xbe0 [ 1755.641590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1755.641590][ T74] ___sys_sendmsg+0xee/0x170 [ 1755.641590][ T74] __sys_sendmsg+0xcd/0x170 [ 1755.641590][ T74] do_syscall_64+0xc6/0x1e0 [ 1755.641590][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1755.641590][ T74] [ 1765.800996][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1765.801338][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1765.801338][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.801338][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.801338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.801338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1765.801338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1765.801338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1765.801338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1765.801338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1765.801338][ T74] addrconf_dad_begin+0x310/0x670 [ 1765.801338][ T74] addrconf_dad_work+0x10b/0xab0 [ 1765.801338][ T74] process_one_work+0x84d/0x18a0 [ 1765.801338][ T74] worker_thread+0x587/0xd30 [ 1765.801338][ T74] kthread+0x28a/0x350 [ 1765.801338][ T74] ret_from_fork+0x31/0x70 [ 1765.801338][ T74] ret_from_fork_asm+0x1a/0x30 [ 1765.801338][ T74] [ 1765.803705][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1765.803705][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.803705][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.803705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.803705][ T74] ip6_route_add+0x1c/0x140 [ 1765.803705][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1765.803705][ T74] inet6_addr_add+0x4f8/0xa40 [ 1765.803705][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.803705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.803705][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.803705][ T74] netlink_unicast+0x449/0x710 [ 1765.803705][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.803705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.803705][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.803705][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.803705][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.803705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.803705][ T74] [ 1765.806262][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1765.806262][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.806262][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.806262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.806262][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1765.806262][ T74] ipv6_add_addr+0x411/0x2000 [ 1765.806262][ T74] inet6_addr_add+0x30e/0xa40 [ 1765.806262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.806262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.806262][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.806262][ T74] netlink_unicast+0x449/0x710 [ 1765.806262][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.806262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.806262][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.806262][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.806262][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.806262][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.806262][ T74] [ 1765.808777][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1765.808777][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.808777][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.808777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.808777][ T74] ip6_route_add+0x1c/0x140 [ 1765.808777][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.808777][ T74] addrconf_add_dev+0xe2/0x170 [ 1765.808777][ T74] inet6_addr_add+0x12f/0xa40 [ 1765.808777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.808777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.808777][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.808777][ T74] netlink_unicast+0x449/0x710 [ 1765.808777][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.808777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.808777][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.808777][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.808777][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.808777][ T74] [ 1765.811212][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1765.811212][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1765.811212][ T74] ipv6_find_idev+0x102/0x170 [ 1765.811212][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.811212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.811212][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.811212][ T74] netlink_unicast+0x449/0x710 [ 1765.811212][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.811212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.811212][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.811212][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.811212][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.811212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.811212][ T74] [ 1765.813176][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1765.813176][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1765.813176][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1765.813176][ T74] ipv6_find_idev+0x102/0x170 [ 1765.813176][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.813176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.813176][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.813176][ T74] netlink_unicast+0x449/0x710 [ 1765.813176][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.813176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.813176][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.813176][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.813176][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.813176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.813176][ T74] [ 1765.815445][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1765.815732][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1765.815732][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.815732][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.815732][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.815732][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1765.815732][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1765.815732][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1765.815732][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1765.815732][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1765.815732][ T74] addrconf_dad_begin+0x310/0x670 [ 1765.815732][ T74] addrconf_dad_work+0x10b/0xab0 [ 1765.815732][ T74] process_one_work+0x84d/0x18a0 [ 1765.815732][ T74] worker_thread+0x587/0xd30 [ 1765.815732][ T74] kthread+0x28a/0x350 [ 1765.815732][ T74] ret_from_fork+0x31/0x70 [ 1765.815732][ T74] ret_from_fork_asm+0x1a/0x30 [ 1765.815732][ T74] [ 1765.818901][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1765.818901][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.818901][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.818901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.818901][ T74] ip6_route_add+0x1c/0x140 [ 1765.818901][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1765.818901][ T74] inet6_addr_add+0x4f8/0xa40 [ 1765.818901][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.818901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.818901][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.818901][ T74] netlink_unicast+0x449/0x710 [ 1765.818901][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.818901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.818901][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.818901][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.818901][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.818901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.818901][ T74] [ 1765.822602][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1765.822602][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.822602][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.822602][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.822602][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1765.822602][ T74] ipv6_add_addr+0x411/0x2000 [ 1765.822602][ T74] inet6_addr_add+0x30e/0xa40 [ 1765.822602][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.822602][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.822602][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.822602][ T74] netlink_unicast+0x449/0x710 [ 1765.822602][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.822602][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.822602][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.822602][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.822602][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.822602][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.822602][ T74] [ 1765.826590][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1765.826590][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.826590][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.826590][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.826590][ T74] ip6_route_add+0x1c/0x140 [ 1765.826590][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.826590][ T74] addrconf_add_dev+0xe2/0x170 [ 1765.826590][ T74] inet6_addr_add+0x12f/0xa40 [ 1765.826590][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.826590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.826590][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.826590][ T74] netlink_unicast+0x449/0x710 [ 1765.826590][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.826590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.826590][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.826590][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.826590][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.826590][ T74] [ 1765.829667][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1765.829667][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1765.829667][ T74] ipv6_find_idev+0x102/0x170 [ 1765.829667][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.829667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.829667][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.829667][ T74] netlink_unicast+0x449/0x710 [ 1765.829667][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.829667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.829667][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.829667][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.829667][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.829667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.829667][ T74] [ 1765.831618][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1765.831618][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1765.831618][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1765.831618][ T74] ipv6_find_idev+0x102/0x170 [ 1765.831618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.831618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.831618][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.831618][ T74] netlink_unicast+0x449/0x710 [ 1765.831618][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.831618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.831618][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.831618][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.831618][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.831618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.831618][ T74] [ 1765.833767][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1765.834153][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1765.834153][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.834153][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.834153][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.834153][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1765.834153][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1765.834153][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1765.834153][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1765.834153][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1765.834153][ T74] addrconf_dad_begin+0x310/0x670 [ 1765.834153][ T74] addrconf_dad_work+0x10b/0xab0 [ 1765.834153][ T74] process_one_work+0x84d/0x18a0 [ 1765.834153][ T74] worker_thread+0x587/0xd30 [ 1765.834153][ T74] kthread+0x28a/0x350 [ 1765.834153][ T74] ret_from_fork+0x31/0x70 [ 1765.834153][ T74] ret_from_fork_asm+0x1a/0x30 [ 1765.834153][ T74] [ 1765.836618][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1765.836618][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.836618][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.836618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.836618][ T74] ip6_route_add+0x1c/0x140 [ 1765.836618][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1765.836618][ T74] inet6_addr_add+0x4f8/0xa40 [ 1765.836618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.836618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.836618][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.836618][ T74] netlink_unicast+0x449/0x710 [ 1765.836618][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.836618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.836618][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.836618][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.836618][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.836618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.836618][ T74] [ 1765.839246][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1765.839246][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.839246][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.839246][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.839246][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1765.839246][ T74] ipv6_add_addr+0x411/0x2000 [ 1765.839246][ T74] inet6_addr_add+0x30e/0xa40 [ 1765.839246][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.839246][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.839246][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.839246][ T74] netlink_unicast+0x449/0x710 [ 1765.839246][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.839246][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.839246][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.839246][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.839246][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.839246][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.839246][ T74] [ 1765.842557][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1765.842557][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.842557][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.842557][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.842557][ T74] ip6_route_add+0x1c/0x140 [ 1765.842557][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.842557][ T74] addrconf_add_dev+0xe2/0x170 [ 1765.842557][ T74] inet6_addr_add+0x12f/0xa40 [ 1765.842557][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.842557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.842557][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.842557][ T74] netlink_unicast+0x449/0x710 [ 1765.842557][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.842557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.842557][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.842557][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.842557][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.842557][ T74] [ 1765.846455][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1765.846455][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1765.846455][ T74] ipv6_find_idev+0x102/0x170 [ 1765.846455][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.846455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.846455][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.846455][ T74] netlink_unicast+0x449/0x710 [ 1765.846455][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.846455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.846455][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.846455][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.846455][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.846455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.846455][ T74] [ 1765.849535][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1765.849535][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1765.849535][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1765.849535][ T74] ipv6_find_idev+0x102/0x170 [ 1765.849535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.849535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.849535][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.849535][ T74] netlink_unicast+0x449/0x710 [ 1765.849535][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.849535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.849535][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.849535][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.849535][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.849535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.849535][ T74] [ 1765.852342][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1765.852617][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1765.852617][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.852617][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.852617][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.852617][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1765.852617][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1765.852617][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1765.852617][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1765.852617][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1765.852617][ T74] addrconf_dad_begin+0x310/0x670 [ 1765.852617][ T74] addrconf_dad_work+0x10b/0xab0 [ 1765.852617][ T74] process_one_work+0x84d/0x18a0 [ 1765.852617][ T74] worker_thread+0x587/0xd30 [ 1765.852617][ T74] kthread+0x28a/0x350 [ 1765.852617][ T74] ret_from_fork+0x31/0x70 [ 1765.852617][ T74] ret_from_fork_asm+0x1a/0x30 [ 1765.852617][ T74] [ 1765.854925][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1765.854925][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.854925][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.854925][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.854925][ T74] ip6_route_add+0x1c/0x140 [ 1765.854925][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1765.854925][ T74] inet6_addr_add+0x4f8/0xa40 [ 1765.854925][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.854925][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.854925][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.854925][ T74] netlink_unicast+0x449/0x710 [ 1765.854925][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.854925][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.854925][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.854925][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.854925][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.854925][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.854925][ T74] [ 1765.857251][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1765.857251][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.857251][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.857251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.857251][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1765.857251][ T74] ipv6_add_addr+0x411/0x2000 [ 1765.857251][ T74] inet6_addr_add+0x30e/0xa40 [ 1765.857251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.857251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.857251][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.857251][ T74] netlink_unicast+0x449/0x710 [ 1765.857251][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.857251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.857251][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.857251][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.857251][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.857251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.857251][ T74] [ 1765.859576][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1765.859576][ T74] netdev_get_by_index+0x5e/0x80 [ 1765.859576][ T74] fib6_nh_init+0x3d8/0x1580 [ 1765.859576][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1765.859576][ T74] ip6_route_add+0x1c/0x140 [ 1765.859576][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1765.859576][ T74] addrconf_add_dev+0xe2/0x170 [ 1765.859576][ T74] inet6_addr_add+0x12f/0xa40 [ 1765.859576][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1765.859576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.859576][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.859576][ T74] netlink_unicast+0x449/0x710 [ 1765.859576][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.859576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.859576][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.859576][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.859576][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.859576][ T74] [ 1765.862104][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1765.862104][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1765.862104][ T74] ipv6_find_idev+0x102/0x170 [ 1765.862104][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.862104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.862104][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.862104][ T74] netlink_unicast+0x449/0x710 [ 1765.862104][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.862104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.862104][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.862104][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.862104][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.862104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.862104][ T74] [ 1765.864206][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1765.864206][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1765.864206][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1765.864206][ T74] ipv6_find_idev+0x102/0x170 [ 1765.864206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1765.864206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1765.864206][ T74] netlink_rcv_skb+0x130/0x360 [ 1765.864206][ T74] netlink_unicast+0x449/0x710 [ 1765.864206][ T74] netlink_sendmsg+0x723/0xbe0 [ 1765.864206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1765.864206][ T74] ___sys_sendmsg+0xee/0x170 [ 1765.864206][ T74] __sys_sendmsg+0xcd/0x170 [ 1765.864206][ T74] do_syscall_64+0xc6/0x1e0 [ 1765.864206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1765.864206][ T74] [ 1775.984848][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1775.985161][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1775.985161][ T74] netdev_get_by_index+0x5e/0x80 [ 1775.985161][ T74] fib6_nh_init+0x3d8/0x1580 [ 1775.985161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1775.985161][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1775.985161][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1775.985161][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1775.985161][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1775.985161][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1775.985161][ T74] addrconf_dad_begin+0x310/0x670 [ 1775.985161][ T74] addrconf_dad_work+0x10b/0xab0 [ 1775.985161][ T74] process_one_work+0x84d/0x18a0 [ 1775.985161][ T74] worker_thread+0x587/0xd30 [ 1775.985161][ T74] kthread+0x28a/0x350 [ 1775.985161][ T74] ret_from_fork+0x31/0x70 [ 1775.985161][ T74] ret_from_fork_asm+0x1a/0x30 [ 1775.985161][ T74] [ 1775.987148][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1775.987148][ T74] netdev_get_by_index+0x5e/0x80 [ 1775.987148][ T74] fib6_nh_init+0x3d8/0x1580 [ 1775.987148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1775.987148][ T74] ip6_route_add+0x1c/0x140 [ 1775.987148][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1775.987148][ T74] inet6_addr_add+0x4f8/0xa40 [ 1775.987148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.987148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.987148][ T74] netlink_rcv_skb+0x130/0x360 [ 1775.987148][ T74] netlink_unicast+0x449/0x710 [ 1775.987148][ T74] netlink_sendmsg+0x723/0xbe0 [ 1775.987148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1775.987148][ T74] ___sys_sendmsg+0xee/0x170 [ 1775.987148][ T74] __sys_sendmsg+0xcd/0x170 [ 1775.987148][ T74] do_syscall_64+0xc6/0x1e0 [ 1775.987148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.987148][ T74] [ 1775.989148][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1775.989148][ T74] netdev_get_by_index+0x5e/0x80 [ 1775.989148][ T74] fib6_nh_init+0x3d8/0x1580 [ 1775.989148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1775.989148][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1775.989148][ T74] ipv6_add_addr+0x411/0x2000 [ 1775.989148][ T74] inet6_addr_add+0x30e/0xa40 [ 1775.989148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.989148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.989148][ T74] netlink_rcv_skb+0x130/0x360 [ 1775.989148][ T74] netlink_unicast+0x449/0x710 [ 1775.989148][ T74] netlink_sendmsg+0x723/0xbe0 [ 1775.989148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1775.989148][ T74] ___sys_sendmsg+0xee/0x170 [ 1775.989148][ T74] __sys_sendmsg+0xcd/0x170 [ 1775.989148][ T74] do_syscall_64+0xc6/0x1e0 [ 1775.989148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.989148][ T74] [ 1775.991141][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1775.991141][ T74] netdev_get_by_index+0x5e/0x80 [ 1775.991141][ T74] fib6_nh_init+0x3d8/0x1580 [ 1775.991141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1775.991141][ T74] ip6_route_add+0x1c/0x140 [ 1775.991141][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1775.991141][ T74] addrconf_add_dev+0xe2/0x170 [ 1775.991141][ T74] inet6_addr_add+0x12f/0xa40 [ 1775.991141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.991141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.991141][ T74] netlink_rcv_skb+0x130/0x360 [ 1775.991141][ T74] netlink_unicast+0x449/0x710 [ 1775.991141][ T74] netlink_sendmsg+0x723/0xbe0 [ 1775.991141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1775.991141][ T74] ___sys_sendmsg+0xee/0x170 [ 1775.991141][ T74] __sys_sendmsg+0xcd/0x170 [ 1775.991141][ T74] do_syscall_64+0xc6/0x1e0 [ 1775.991141][ T74] [ 1775.993096][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1775.993096][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1775.993096][ T74] ipv6_find_idev+0x102/0x170 [ 1775.993096][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.993096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.993096][ T74] netlink_rcv_skb+0x130/0x360 [ 1775.993096][ T74] netlink_unicast+0x449/0x710 [ 1775.993096][ T74] netlink_sendmsg+0x723/0xbe0 [ 1775.993096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1775.993096][ T74] ___sys_sendmsg+0xee/0x170 [ 1775.993096][ T74] __sys_sendmsg+0xcd/0x170 [ 1775.993096][ T74] do_syscall_64+0xc6/0x1e0 [ 1775.993096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.993096][ T74] [ 1775.994630][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1775.994630][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1775.994630][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1775.994630][ T74] ipv6_find_idev+0x102/0x170 [ 1775.994630][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1775.994630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.994630][ T74] netlink_rcv_skb+0x130/0x360 [ 1775.994630][ T74] netlink_unicast+0x449/0x710 [ 1775.994630][ T74] netlink_sendmsg+0x723/0xbe0 [ 1775.994630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1775.994630][ T74] ___sys_sendmsg+0xee/0x170 [ 1775.994630][ T74] __sys_sendmsg+0xcd/0x170 [ 1775.994630][ T74] do_syscall_64+0xc6/0x1e0 [ 1775.994630][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.994630][ T74] [ 1775.996345][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1775.996596][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1775.996596][ T74] netdev_get_by_index+0x5e/0x80 [ 1775.996596][ T74] fib6_nh_init+0x3d8/0x1580 [ 1775.996596][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1775.996596][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1775.996596][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1775.996596][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1775.996596][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1775.996596][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1775.996596][ T74] addrconf_dad_begin+0x310/0x670 [ 1775.996596][ T74] addrconf_dad_work+0x10b/0xab0 [ 1775.996596][ T74] process_one_work+0x84d/0x18a0 [ 1775.996596][ T74] worker_thread+0x587/0xd30 [ 1775.996596][ T74] kthread+0x28a/0x350 [ 1775.996596][ T74] ret_from_fork+0x31/0x70 [ 1775.996596][ T74] ret_from_fork_asm+0x1a/0x30 [ 1775.996596][ T74] [ 1775.998500][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1775.998500][ T74] netdev_get_by_index+0x5e/0x80 [ 1775.998500][ T74] fib6_nh_init+0x3d8/0x1580 [ 1775.998500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1775.998500][ T74] ip6_route_add+0x1c/0x140 [ 1775.998500][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1775.998500][ T74] inet6_addr_add+0x4f8/0xa40 [ 1775.998500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1775.998500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1775.998500][ T74] netlink_rcv_skb+0x130/0x360 [ 1775.998500][ T74] netlink_unicast+0x449/0x710 [ 1775.998500][ T74] netlink_sendmsg+0x723/0xbe0 [ 1775.998500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1775.998500][ T74] ___sys_sendmsg+0xee/0x170 [ 1775.998500][ T74] __sys_sendmsg+0xcd/0x170 [ 1775.998500][ T74] do_syscall_64+0xc6/0x1e0 [ 1775.998500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1775.998500][ T74] [ 1776.000504][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1776.000504][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.000504][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.000504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.000504][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1776.000504][ T74] ipv6_add_addr+0x411/0x2000 [ 1776.000504][ T74] inet6_addr_add+0x30e/0xa40 [ 1776.000504][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.000504][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.000504][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.000504][ T74] netlink_unicast+0x449/0x710 [ 1776.000504][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.000504][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.000504][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.000504][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.000504][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.000504][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.000504][ T74] [ 1776.002507][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1776.002507][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.002507][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.002507][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.002507][ T74] ip6_route_add+0x1c/0x140 [ 1776.002507][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1776.002507][ T74] addrconf_add_dev+0xe2/0x170 [ 1776.002507][ T74] inet6_addr_add+0x12f/0xa40 [ 1776.002507][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.002507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.002507][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.002507][ T74] netlink_unicast+0x449/0x710 [ 1776.002507][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.002507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.002507][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.002507][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.002507][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.002507][ T74] [ 1776.004489][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1776.004489][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1776.004489][ T74] ipv6_find_idev+0x102/0x170 [ 1776.004489][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.004489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.004489][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.004489][ T74] netlink_unicast+0x449/0x710 [ 1776.004489][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.004489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.004489][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.004489][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.004489][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.004489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.004489][ T74] [ 1776.006239][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1776.006239][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1776.006239][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1776.006239][ T74] ipv6_find_idev+0x102/0x170 [ 1776.006239][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.006239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.006239][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.006239][ T74] netlink_unicast+0x449/0x710 [ 1776.006239][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.006239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.006239][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.006239][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.006239][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.006239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.006239][ T74] [ 1776.008151][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1776.008401][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1776.008401][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.008401][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.008401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.008401][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1776.008401][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1776.008401][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1776.008401][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1776.008401][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1776.008401][ T74] addrconf_dad_begin+0x310/0x670 [ 1776.008401][ T74] addrconf_dad_work+0x10b/0xab0 [ 1776.008401][ T74] process_one_work+0x84d/0x18a0 [ 1776.008401][ T74] worker_thread+0x587/0xd30 [ 1776.008401][ T74] kthread+0x28a/0x350 [ 1776.008401][ T74] ret_from_fork+0x31/0x70 [ 1776.008401][ T74] ret_from_fork_asm+0x1a/0x30 [ 1776.008401][ T74] [ 1776.010514][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1776.010514][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.010514][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.010514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.010514][ T74] ip6_route_add+0x1c/0x140 [ 1776.010514][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1776.010514][ T74] inet6_addr_add+0x4f8/0xa40 [ 1776.010514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.010514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.010514][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.010514][ T74] netlink_unicast+0x449/0x710 [ 1776.010514][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.010514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.010514][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.010514][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.010514][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.010514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.010514][ T74] [ 1776.012670][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1776.012670][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.012670][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.012670][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.012670][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1776.012670][ T74] ipv6_add_addr+0x411/0x2000 [ 1776.012670][ T74] inet6_addr_add+0x30e/0xa40 [ 1776.012670][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.012670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.012670][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.012670][ T74] netlink_unicast+0x449/0x710 [ 1776.012670][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.012670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.012670][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.012670][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.012670][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.012670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.012670][ T74] [ 1776.014930][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1776.014930][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.014930][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.014930][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.014930][ T74] ip6_route_add+0x1c/0x140 [ 1776.014930][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1776.014930][ T74] addrconf_add_dev+0xe2/0x170 [ 1776.014930][ T74] inet6_addr_add+0x12f/0xa40 [ 1776.014930][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.014930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.014930][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.014930][ T74] netlink_unicast+0x449/0x710 [ 1776.014930][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.014930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.014930][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.014930][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.014930][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.014930][ T74] [ 1776.016960][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1776.016960][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1776.016960][ T74] ipv6_find_idev+0x102/0x170 [ 1776.016960][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.016960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.016960][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.016960][ T74] netlink_unicast+0x449/0x710 [ 1776.016960][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.016960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.016960][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.016960][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.016960][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.016960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.016960][ T74] [ 1776.018742][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1776.018742][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1776.018742][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1776.018742][ T74] ipv6_find_idev+0x102/0x170 [ 1776.018742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.018742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.018742][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.018742][ T74] netlink_unicast+0x449/0x710 [ 1776.018742][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.018742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.018742][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.018742][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.018742][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.018742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.018742][ T74] [ 1776.020613][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1776.020863][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1776.020863][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.020863][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.020863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.020863][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1776.020863][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1776.020863][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1776.020863][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1776.020863][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1776.020863][ T74] addrconf_dad_begin+0x310/0x670 [ 1776.020863][ T74] addrconf_dad_work+0x10b/0xab0 [ 1776.020863][ T74] process_one_work+0x84d/0x18a0 [ 1776.020863][ T74] worker_thread+0x587/0xd30 [ 1776.020863][ T74] kthread+0x28a/0x350 [ 1776.020863][ T74] ret_from_fork+0x31/0x70 [ 1776.020863][ T74] ret_from_fork_asm+0x1a/0x30 [ 1776.020863][ T74] [ 1776.022839][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1776.022839][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.022839][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.022839][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.022839][ T74] ip6_route_add+0x1c/0x140 [ 1776.022839][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1776.022839][ T74] inet6_addr_add+0x4f8/0xa40 [ 1776.022839][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.022839][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.022839][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.022839][ T74] netlink_unicast+0x449/0x710 [ 1776.022839][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.022839][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.022839][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.022839][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.022839][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.022839][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.022839][ T74] [ 1776.024919][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1776.024919][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.024919][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.024919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.024919][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1776.024919][ T74] ipv6_add_addr+0x411/0x2000 [ 1776.024919][ T74] inet6_addr_add+0x30e/0xa40 [ 1776.024919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.024919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.024919][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.024919][ T74] netlink_unicast+0x449/0x710 [ 1776.024919][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.024919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.024919][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.024919][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.024919][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.024919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.024919][ T74] [ 1776.027092][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1776.027092][ T74] netdev_get_by_index+0x5e/0x80 [ 1776.027092][ T74] fib6_nh_init+0x3d8/0x1580 [ 1776.027092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1776.027092][ T74] ip6_route_add+0x1c/0x140 [ 1776.027092][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1776.027092][ T74] addrconf_add_dev+0xe2/0x170 [ 1776.027092][ T74] inet6_addr_add+0x12f/0xa40 [ 1776.027092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1776.027092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.027092][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.027092][ T74] netlink_unicast+0x449/0x710 [ 1776.027092][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.027092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.027092][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.027092][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.027092][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.027092][ T74] [ 1776.029233][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1776.029233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1776.029233][ T74] ipv6_find_idev+0x102/0x170 [ 1776.029233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.029233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.029233][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.029233][ T74] netlink_unicast+0x449/0x710 [ 1776.029233][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.029233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.029233][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.029233][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.029233][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.029233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.029233][ T74] [ 1776.030948][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1776.030948][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1776.030948][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1776.030948][ T74] ipv6_find_idev+0x102/0x170 [ 1776.030948][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1776.030948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1776.030948][ T74] netlink_rcv_skb+0x130/0x360 [ 1776.030948][ T74] netlink_unicast+0x449/0x710 [ 1776.030948][ T74] netlink_sendmsg+0x723/0xbe0 [ 1776.030948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1776.030948][ T74] ___sys_sendmsg+0xee/0x170 [ 1776.030948][ T74] __sys_sendmsg+0xcd/0x170 [ 1776.030948][ T74] do_syscall_64+0xc6/0x1e0 [ 1776.030948][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1776.030948][ T74] [ 1786.160928][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1786.161304][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1786.161304][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.161304][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.161304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.161304][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1786.161304][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1786.161304][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1786.161304][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1786.161304][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1786.161304][ T74] addrconf_dad_begin+0x310/0x670 [ 1786.161304][ T74] addrconf_dad_work+0x10b/0xab0 [ 1786.161304][ T74] process_one_work+0x84d/0x18a0 [ 1786.161304][ T74] worker_thread+0x587/0xd30 [ 1786.161304][ T74] kthread+0x28a/0x350 [ 1786.161304][ T74] ret_from_fork+0x31/0x70 [ 1786.161304][ T74] ret_from_fork_asm+0x1a/0x30 [ 1786.161304][ T74] [ 1786.163817][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1786.163817][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.163817][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.163817][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.163817][ T74] ip6_route_add+0x1c/0x140 [ 1786.163817][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1786.163817][ T74] inet6_addr_add+0x4f8/0xa40 [ 1786.163817][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.163817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.163817][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.163817][ T74] netlink_unicast+0x449/0x710 [ 1786.163817][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.163817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.163817][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.163817][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.163817][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.163817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.163817][ T74] [ 1786.166385][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1786.166385][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.166385][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.166385][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.166385][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1786.166385][ T74] ipv6_add_addr+0x411/0x2000 [ 1786.166385][ T74] inet6_addr_add+0x30e/0xa40 [ 1786.166385][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.166385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.166385][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.166385][ T74] netlink_unicast+0x449/0x710 [ 1786.166385][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.166385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.166385][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.166385][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.166385][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.166385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.166385][ T74] [ 1786.168911][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1786.168911][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.168911][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.168911][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.168911][ T74] ip6_route_add+0x1c/0x140 [ 1786.168911][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1786.168911][ T74] addrconf_add_dev+0xe2/0x170 [ 1786.168911][ T74] inet6_addr_add+0x12f/0xa40 [ 1786.168911][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.168911][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.168911][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.168911][ T74] netlink_unicast+0x449/0x710 [ 1786.168911][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.168911][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.168911][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.168911][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.168911][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.168911][ T74] [ 1786.171389][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1786.171389][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1786.171389][ T74] ipv6_find_idev+0x102/0x170 [ 1786.171389][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.171389][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.171389][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.171389][ T74] netlink_unicast+0x449/0x710 [ 1786.171389][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.171389][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.171389][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.171389][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.171389][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.171389][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.171389][ T74] [ 1786.173366][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1786.173366][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1786.173366][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1786.173366][ T74] ipv6_find_idev+0x102/0x170 [ 1786.173366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.173366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.173366][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.173366][ T74] netlink_unicast+0x449/0x710 [ 1786.173366][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.173366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.173366][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.173366][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.173366][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.173366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.173366][ T74] [ 1786.175753][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1786.176078][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1786.176078][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.176078][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.176078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.176078][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1786.176078][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1786.176078][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1786.176078][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1786.176078][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1786.176078][ T74] addrconf_dad_begin+0x310/0x670 [ 1786.176078][ T74] addrconf_dad_work+0x10b/0xab0 [ 1786.176078][ T74] process_one_work+0x84d/0x18a0 [ 1786.176078][ T74] worker_thread+0x587/0xd30 [ 1786.176078][ T74] kthread+0x28a/0x350 [ 1786.176078][ T74] ret_from_fork+0x31/0x70 [ 1786.176078][ T74] ret_from_fork_asm+0x1a/0x30 [ 1786.176078][ T74] [ 1786.178801][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1786.178801][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.178801][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.178801][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.178801][ T74] ip6_route_add+0x1c/0x140 [ 1786.178801][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1786.178801][ T74] inet6_addr_add+0x4f8/0xa40 [ 1786.178801][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.178801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.178801][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.178801][ T74] netlink_unicast+0x449/0x710 [ 1786.178801][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.178801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.178801][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.178801][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.178801][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.178801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.178801][ T74] [ 1786.181629][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1786.181629][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.181629][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.181629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.181629][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1786.181629][ T74] ipv6_add_addr+0x411/0x2000 [ 1786.181629][ T74] inet6_addr_add+0x30e/0xa40 [ 1786.181629][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.181629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.181629][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.181629][ T74] netlink_unicast+0x449/0x710 [ 1786.181629][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.181629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.181629][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.181629][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.181629][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.181629][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.181629][ T74] [ 1786.184261][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1786.184261][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.184261][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.184261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.184261][ T74] ip6_route_add+0x1c/0x140 [ 1786.184261][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1786.184261][ T74] addrconf_add_dev+0xe2/0x170 [ 1786.184261][ T74] inet6_addr_add+0x12f/0xa40 [ 1786.184261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.184261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.184261][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.184261][ T74] netlink_unicast+0x449/0x710 [ 1786.184261][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.184261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.184261][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.184261][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.184261][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.184261][ T74] [ 1786.186835][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1786.186835][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1786.186835][ T74] ipv6_find_idev+0x102/0x170 [ 1786.186835][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.186835][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.186835][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.186835][ T74] netlink_unicast+0x449/0x710 [ 1786.186835][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.186835][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.186835][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.186835][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.186835][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.186835][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.186835][ T74] [ 1786.188735][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1786.188735][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1786.188735][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1786.188735][ T74] ipv6_find_idev+0x102/0x170 [ 1786.188735][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.188735][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.188735][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.188735][ T74] netlink_unicast+0x449/0x710 [ 1786.188735][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.188735][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.188735][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.188735][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.188735][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.188735][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.188735][ T74] [ 1786.190915][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1786.191269][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1786.191269][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.191269][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.191269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.191269][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1786.191269][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1786.191269][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1786.191269][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1786.191269][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1786.191269][ T74] addrconf_dad_begin+0x310/0x670 [ 1786.191269][ T74] addrconf_dad_work+0x10b/0xab0 [ 1786.191269][ T74] process_one_work+0x84d/0x18a0 [ 1786.191269][ T74] worker_thread+0x587/0xd30 [ 1786.191269][ T74] kthread+0x28a/0x350 [ 1786.191269][ T74] ret_from_fork+0x31/0x70 [ 1786.191269][ T74] ret_from_fork_asm+0x1a/0x30 [ 1786.191269][ T74] [ 1786.193551][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1786.193551][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.193551][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.193551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.193551][ T74] ip6_route_add+0x1c/0x140 [ 1786.193551][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1786.193551][ T74] inet6_addr_add+0x4f8/0xa40 [ 1786.193551][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.193551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.193551][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.193551][ T74] netlink_unicast+0x449/0x710 [ 1786.193551][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.193551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.193551][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.193551][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.193551][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.193551][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.193551][ T74] [ 1786.195935][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1786.195935][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.195935][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.195935][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.195935][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1786.195935][ T74] ipv6_add_addr+0x411/0x2000 [ 1786.195935][ T74] inet6_addr_add+0x30e/0xa40 [ 1786.195935][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.195935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.195935][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.195935][ T74] netlink_unicast+0x449/0x710 [ 1786.195935][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.195935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.195935][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.195935][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.195935][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.195935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.195935][ T74] [ 1786.198600][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1786.198600][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.198600][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.198600][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.198600][ T74] ip6_route_add+0x1c/0x140 [ 1786.198600][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1786.198600][ T74] addrconf_add_dev+0xe2/0x170 [ 1786.198600][ T74] inet6_addr_add+0x12f/0xa40 [ 1786.198600][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.198600][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.198600][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.198600][ T74] netlink_unicast+0x449/0x710 [ 1786.198600][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.198600][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.198600][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.198600][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.198600][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.198600][ T74] [ 1786.201253][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1786.201253][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1786.201253][ T74] ipv6_find_idev+0x102/0x170 [ 1786.201253][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.201253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.201253][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.201253][ T74] netlink_unicast+0x449/0x710 [ 1786.201253][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.201253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.201253][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.201253][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.201253][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.201253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.201253][ T74] [ 1786.203147][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1786.203147][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1786.203147][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1786.203147][ T74] ipv6_find_idev+0x102/0x170 [ 1786.203147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.203147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.203147][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.203147][ T74] netlink_unicast+0x449/0x710 [ 1786.203147][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.203147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.203147][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.203147][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.203147][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.203147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.203147][ T74] [ 1786.205231][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1786.205493][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1786.205493][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.205493][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.205493][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.205493][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1786.205493][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1786.205493][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1786.205493][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1786.205493][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1786.205493][ T74] addrconf_dad_begin+0x310/0x670 [ 1786.205493][ T74] addrconf_dad_work+0x10b/0xab0 [ 1786.205493][ T74] process_one_work+0x84d/0x18a0 [ 1786.205493][ T74] worker_thread+0x587/0xd30 [ 1786.205493][ T74] kthread+0x28a/0x350 [ 1786.205493][ T74] ret_from_fork+0x31/0x70 [ 1786.205493][ T74] ret_from_fork_asm+0x1a/0x30 [ 1786.205493][ T74] [ 1786.207799][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1786.207799][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.207799][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.207799][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.207799][ T74] ip6_route_add+0x1c/0x140 [ 1786.207799][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1786.207799][ T74] inet6_addr_add+0x4f8/0xa40 [ 1786.207799][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.207799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.207799][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.207799][ T74] netlink_unicast+0x449/0x710 [ 1786.207799][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.207799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.207799][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.207799][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.207799][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.207799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.207799][ T74] [ 1786.210300][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1786.210300][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.210300][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.210300][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.210300][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1786.210300][ T74] ipv6_add_addr+0x411/0x2000 [ 1786.210300][ T74] inet6_addr_add+0x30e/0xa40 [ 1786.210300][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.210300][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.210300][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.210300][ T74] netlink_unicast+0x449/0x710 [ 1786.210300][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.210300][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.210300][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.210300][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.210300][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.210300][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.210300][ T74] [ 1786.212843][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1786.212843][ T74] netdev_get_by_index+0x5e/0x80 [ 1786.212843][ T74] fib6_nh_init+0x3d8/0x1580 [ 1786.212843][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1786.212843][ T74] ip6_route_add+0x1c/0x140 [ 1786.212843][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1786.212843][ T74] addrconf_add_dev+0xe2/0x170 [ 1786.212843][ T74] inet6_addr_add+0x12f/0xa40 [ 1786.212843][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1786.212843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.212843][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.212843][ T74] netlink_unicast+0x449/0x710 [ 1786.212843][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.212843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.212843][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.212843][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.212843][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.212843][ T74] [ 1786.215378][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1786.215378][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1786.215378][ T74] ipv6_find_idev+0x102/0x170 [ 1786.215378][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.215378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.215378][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.215378][ T74] netlink_unicast+0x449/0x710 [ 1786.215378][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.215378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.215378][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.215378][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.215378][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.215378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.215378][ T74] [ 1786.217436][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1786.217436][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1786.217436][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1786.217436][ T74] ipv6_find_idev+0x102/0x170 [ 1786.217436][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1786.217436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1786.217436][ T74] netlink_rcv_skb+0x130/0x360 [ 1786.217436][ T74] netlink_unicast+0x449/0x710 [ 1786.217436][ T74] netlink_sendmsg+0x723/0xbe0 [ 1786.217436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1786.217436][ T74] ___sys_sendmsg+0xee/0x170 [ 1786.217436][ T74] __sys_sendmsg+0xcd/0x170 [ 1786.217436][ T74] do_syscall_64+0xc6/0x1e0 [ 1786.217436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1786.217436][ T74]