[ 112.722022][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 112.722557][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 112.722557][ T10] netdev_get_by_index+0x5e/0x80 [ 112.722557][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.722557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.722557][ T10] addrconf_f6i_alloc+0x265/0x560 [ 112.722557][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 112.722557][ T10] addrconf_join_anycast+0x1c0/0x220 [ 112.722557][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 112.722557][ T10] addrconf_dad_completed+0x12b/0xe20 [ 112.722557][ T10] addrconf_dad_begin+0x310/0x670 [ 112.722557][ T10] addrconf_dad_work+0x10b/0xab0 [ 112.722557][ T10] process_one_work+0x84d/0x18a0 [ 112.722557][ T10] worker_thread+0x587/0xd30 [ 112.722557][ T10] kthread+0x28a/0x350 [ 112.722557][ T10] ret_from_fork+0x31/0x70 [ 112.722557][ T10] ret_from_fork_asm+0x1a/0x30 [ 112.722557][ T10] [ 112.724939][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 112.724939][ T10] netdev_get_by_index+0x5e/0x80 [ 112.724939][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.724939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.724939][ T10] ip6_route_add+0x1c/0x140 [ 112.724939][ T10] addrconf_prefix_route+0x2a6/0x430 [ 112.724939][ T10] inet6_addr_add+0x4f8/0xa40 [ 112.724939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.724939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.724939][ T10] netlink_rcv_skb+0x130/0x360 [ 112.724939][ T10] netlink_unicast+0x449/0x710 [ 112.724939][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.724939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.724939][ T10] ___sys_sendmsg+0xee/0x170 [ 112.724939][ T10] __sys_sendmsg+0xcd/0x170 [ 112.724939][ T10] do_syscall_64+0xc6/0x1e0 [ 112.724939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.724939][ T10] [ 112.727020][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 112.727020][ T10] netdev_get_by_index+0x5e/0x80 [ 112.727020][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.727020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.727020][ T10] addrconf_f6i_alloc+0x315/0x560 [ 112.727020][ T10] ipv6_add_addr+0x411/0x2000 [ 112.727020][ T10] inet6_addr_add+0x30e/0xa40 [ 112.727020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.727020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.727020][ T10] netlink_rcv_skb+0x130/0x360 [ 112.727020][ T10] netlink_unicast+0x449/0x710 [ 112.727020][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.727020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.727020][ T10] ___sys_sendmsg+0xee/0x170 [ 112.727020][ T10] __sys_sendmsg+0xcd/0x170 [ 112.727020][ T10] do_syscall_64+0xc6/0x1e0 [ 112.727020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.727020][ T10] [ 112.729158][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 112.729158][ T10] netdev_get_by_index+0x5e/0x80 [ 112.729158][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.729158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.729158][ T10] ip6_route_add+0x1c/0x140 [ 112.729158][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 112.729158][ T10] addrconf_add_dev+0xe2/0x170 [ 112.729158][ T10] inet6_addr_add+0x12f/0xa40 [ 112.729158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.729158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.729158][ T10] netlink_rcv_skb+0x130/0x360 [ 112.729158][ T10] netlink_unicast+0x449/0x710 [ 112.729158][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.729158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.729158][ T10] ___sys_sendmsg+0xee/0x170 [ 112.729158][ T10] __sys_sendmsg+0xcd/0x170 [ 112.729158][ T10] do_syscall_64+0xc6/0x1e0 [ 112.729158][ T10] [ 112.731346][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 112.731346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 112.731346][ T10] ipv6_find_idev+0x102/0x170 [ 112.731346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.731346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.731346][ T10] netlink_rcv_skb+0x130/0x360 [ 112.731346][ T10] netlink_unicast+0x449/0x710 [ 112.731346][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.731346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.731346][ T10] ___sys_sendmsg+0xee/0x170 [ 112.731346][ T10] __sys_sendmsg+0xcd/0x170 [ 112.731346][ T10] do_syscall_64+0xc6/0x1e0 [ 112.731346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.731346][ T10] [ 112.733013][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 112.733013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 112.733013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 112.733013][ T10] ipv6_find_idev+0x102/0x170 [ 112.733013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.733013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.733013][ T10] netlink_rcv_skb+0x130/0x360 [ 112.733013][ T10] netlink_unicast+0x449/0x710 [ 112.733013][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.733013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.733013][ T10] ___sys_sendmsg+0xee/0x170 [ 112.733013][ T10] __sys_sendmsg+0xcd/0x170 [ 112.733013][ T10] do_syscall_64+0xc6/0x1e0 [ 112.733013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.733013][ T10] [ 112.734865][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 112.735173][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 112.735173][ T10] netdev_get_by_index+0x5e/0x80 [ 112.735173][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.735173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.735173][ T10] addrconf_f6i_alloc+0x265/0x560 [ 112.735173][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 112.735173][ T10] addrconf_join_anycast+0x1c0/0x220 [ 112.735173][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 112.735173][ T10] addrconf_dad_completed+0x12b/0xe20 [ 112.735173][ T10] addrconf_dad_begin+0x310/0x670 [ 112.735173][ T10] addrconf_dad_work+0x10b/0xab0 [ 112.735173][ T10] process_one_work+0x84d/0x18a0 [ 112.735173][ T10] worker_thread+0x587/0xd30 [ 112.735173][ T10] kthread+0x28a/0x350 [ 112.735173][ T10] ret_from_fork+0x31/0x70 [ 112.735173][ T10] ret_from_fork_asm+0x1a/0x30 [ 112.735173][ T10] [ 112.737309][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 112.737309][ T10] netdev_get_by_index+0x5e/0x80 [ 112.737309][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.737309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.737309][ T10] ip6_route_add+0x1c/0x140 [ 112.737309][ T10] addrconf_prefix_route+0x2a6/0x430 [ 112.737309][ T10] inet6_addr_add+0x4f8/0xa40 [ 112.737309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.737309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.737309][ T10] netlink_rcv_skb+0x130/0x360 [ 112.737309][ T10] netlink_unicast+0x449/0x710 [ 112.737309][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.737309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.737309][ T10] ___sys_sendmsg+0xee/0x170 [ 112.737309][ T10] __sys_sendmsg+0xcd/0x170 [ 112.737309][ T10] do_syscall_64+0xc6/0x1e0 [ 112.737309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.737309][ T10] [ 112.739456][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 112.739456][ T10] netdev_get_by_index+0x5e/0x80 [ 112.739456][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.739456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.739456][ T10] addrconf_f6i_alloc+0x315/0x560 [ 112.739456][ T10] ipv6_add_addr+0x411/0x2000 [ 112.739456][ T10] inet6_addr_add+0x30e/0xa40 [ 112.739456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.739456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.739456][ T10] netlink_rcv_skb+0x130/0x360 [ 112.739456][ T10] netlink_unicast+0x449/0x710 [ 112.739456][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.739456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.739456][ T10] ___sys_sendmsg+0xee/0x170 [ 112.739456][ T10] __sys_sendmsg+0xcd/0x170 [ 112.739456][ T10] do_syscall_64+0xc6/0x1e0 [ 112.739456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.739456][ T10] [ 112.741682][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 112.741682][ T10] netdev_get_by_index+0x5e/0x80 [ 112.741682][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.741682][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.741682][ T10] ip6_route_add+0x1c/0x140 [ 112.741682][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 112.741682][ T10] addrconf_add_dev+0xe2/0x170 [ 112.741682][ T10] inet6_addr_add+0x12f/0xa40 [ 112.741682][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.741682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.741682][ T10] netlink_rcv_skb+0x130/0x360 [ 112.741682][ T10] netlink_unicast+0x449/0x710 [ 112.741682][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.741682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.741682][ T10] ___sys_sendmsg+0xee/0x170 [ 112.741682][ T10] __sys_sendmsg+0xcd/0x170 [ 112.741682][ T10] do_syscall_64+0xc6/0x1e0 [ 112.741682][ T10] [ 112.743884][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 112.743884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 112.743884][ T10] ipv6_find_idev+0x102/0x170 [ 112.743884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.743884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.743884][ T10] netlink_rcv_skb+0x130/0x360 [ 112.743884][ T10] netlink_unicast+0x449/0x710 [ 112.743884][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.743884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.743884][ T10] ___sys_sendmsg+0xee/0x170 [ 112.743884][ T10] __sys_sendmsg+0xcd/0x170 [ 112.743884][ T10] do_syscall_64+0xc6/0x1e0 [ 112.743884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.743884][ T10] [ 112.745656][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 112.745656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 112.745656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 112.745656][ T10] ipv6_find_idev+0x102/0x170 [ 112.745656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.745656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.745656][ T10] netlink_rcv_skb+0x130/0x360 [ 112.745656][ T10] netlink_unicast+0x449/0x710 [ 112.745656][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.745656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.745656][ T10] ___sys_sendmsg+0xee/0x170 [ 112.745656][ T10] __sys_sendmsg+0xcd/0x170 [ 112.745656][ T10] do_syscall_64+0xc6/0x1e0 [ 112.745656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.745656][ T10] [ 112.747642][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 112.747902][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 112.747902][ T10] netdev_get_by_index+0x5e/0x80 [ 112.747902][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.747902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.747902][ T10] addrconf_f6i_alloc+0x265/0x560 [ 112.747902][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 112.747902][ T10] addrconf_join_anycast+0x1c0/0x220 [ 112.747902][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 112.747902][ T10] addrconf_dad_completed+0x12b/0xe20 [ 112.747902][ T10] addrconf_dad_begin+0x310/0x670 [ 112.747902][ T10] addrconf_dad_work+0x10b/0xab0 [ 112.747902][ T10] process_one_work+0x84d/0x18a0 [ 112.747902][ T10] worker_thread+0x587/0xd30 [ 112.747902][ T10] kthread+0x28a/0x350 [ 112.747902][ T10] ret_from_fork+0x31/0x70 [ 112.747902][ T10] ret_from_fork_asm+0x1a/0x30 [ 112.747902][ T10] [ 112.749953][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 112.749953][ T10] netdev_get_by_index+0x5e/0x80 [ 112.749953][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.749953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.749953][ T10] ip6_route_add+0x1c/0x140 [ 112.749953][ T10] addrconf_prefix_route+0x2a6/0x430 [ 112.749953][ T10] inet6_addr_add+0x4f8/0xa40 [ 112.749953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.749953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.749953][ T10] netlink_rcv_skb+0x130/0x360 [ 112.749953][ T10] netlink_unicast+0x449/0x710 [ 112.749953][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.749953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.749953][ T10] ___sys_sendmsg+0xee/0x170 [ 112.749953][ T10] __sys_sendmsg+0xcd/0x170 [ 112.749953][ T10] do_syscall_64+0xc6/0x1e0 [ 112.749953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.749953][ T10] [ 112.752079][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 112.752079][ T10] netdev_get_by_index+0x5e/0x80 [ 112.752079][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.752079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.752079][ T10] addrconf_f6i_alloc+0x315/0x560 [ 112.752079][ T10] ipv6_add_addr+0x411/0x2000 [ 112.752079][ T10] inet6_addr_add+0x30e/0xa40 [ 112.752079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.752079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.752079][ T10] netlink_rcv_skb+0x130/0x360 [ 112.752079][ T10] netlink_unicast+0x449/0x710 [ 112.752079][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.752079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.752079][ T10] ___sys_sendmsg+0xee/0x170 [ 112.752079][ T10] __sys_sendmsg+0xcd/0x170 [ 112.752079][ T10] do_syscall_64+0xc6/0x1e0 [ 112.752079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.752079][ T10] [ 112.754369][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 112.754369][ T10] netdev_get_by_index+0x5e/0x80 [ 112.754369][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.754369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.754369][ T10] ip6_route_add+0x1c/0x140 [ 112.754369][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 112.754369][ T10] addrconf_add_dev+0xe2/0x170 [ 112.754369][ T10] inet6_addr_add+0x12f/0xa40 [ 112.754369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.754369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.754369][ T10] netlink_rcv_skb+0x130/0x360 [ 112.754369][ T10] netlink_unicast+0x449/0x710 [ 112.754369][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.754369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.754369][ T10] ___sys_sendmsg+0xee/0x170 [ 112.754369][ T10] __sys_sendmsg+0xcd/0x170 [ 112.754369][ T10] do_syscall_64+0xc6/0x1e0 [ 112.754369][ T10] [ 112.756636][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 112.756636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 112.756636][ T10] ipv6_find_idev+0x102/0x170 [ 112.756636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.756636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.756636][ T10] netlink_rcv_skb+0x130/0x360 [ 112.756636][ T10] netlink_unicast+0x449/0x710 [ 112.756636][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.756636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.756636][ T10] ___sys_sendmsg+0xee/0x170 [ 112.756636][ T10] __sys_sendmsg+0xcd/0x170 [ 112.756636][ T10] do_syscall_64+0xc6/0x1e0 [ 112.756636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.756636][ T10] [ 112.758401][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 112.758401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 112.758401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 112.758401][ T10] ipv6_find_idev+0x102/0x170 [ 112.758401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.758401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.758401][ T10] netlink_rcv_skb+0x130/0x360 [ 112.758401][ T10] netlink_unicast+0x449/0x710 [ 112.758401][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.758401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.758401][ T10] ___sys_sendmsg+0xee/0x170 [ 112.758401][ T10] __sys_sendmsg+0xcd/0x170 [ 112.758401][ T10] do_syscall_64+0xc6/0x1e0 [ 112.758401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.758401][ T10] [ 112.760332][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 112.761032][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 112.761032][ T10] netdev_get_by_index+0x5e/0x80 [ 112.761032][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.761032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.761032][ T10] addrconf_f6i_alloc+0x265/0x560 [ 112.761032][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 112.761032][ T10] addrconf_join_anycast+0x1c0/0x220 [ 112.761032][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 112.761032][ T10] addrconf_dad_completed+0x12b/0xe20 [ 112.761032][ T10] addrconf_dad_begin+0x310/0x670 [ 112.761032][ T10] addrconf_dad_work+0x10b/0xab0 [ 112.761032][ T10] process_one_work+0x84d/0x18a0 [ 112.761032][ T10] worker_thread+0x587/0xd30 [ 112.761032][ T10] kthread+0x28a/0x350 [ 112.761032][ T10] ret_from_fork+0x31/0x70 [ 112.761032][ T10] ret_from_fork_asm+0x1a/0x30 [ 112.761032][ T10] [ 112.763183][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 112.763183][ T10] netdev_get_by_index+0x5e/0x80 [ 112.763183][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.763183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.763183][ T10] ip6_route_add+0x1c/0x140 [ 112.763183][ T10] addrconf_prefix_route+0x2a6/0x430 [ 112.763183][ T10] inet6_addr_add+0x4f8/0xa40 [ 112.763183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.763183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.763183][ T10] netlink_rcv_skb+0x130/0x360 [ 112.763183][ T10] netlink_unicast+0x449/0x710 [ 112.763183][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.763183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.763183][ T10] ___sys_sendmsg+0xee/0x170 [ 112.763183][ T10] __sys_sendmsg+0xcd/0x170 [ 112.763183][ T10] do_syscall_64+0xc6/0x1e0 [ 112.763183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.763183][ T10] [ 112.765463][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 112.765463][ T10] netdev_get_by_index+0x5e/0x80 [ 112.765463][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.765463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.765463][ T10] addrconf_f6i_alloc+0x315/0x560 [ 112.765463][ T10] ipv6_add_addr+0x411/0x2000 [ 112.765463][ T10] inet6_addr_add+0x30e/0xa40 [ 112.765463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.765463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.765463][ T10] netlink_rcv_skb+0x130/0x360 [ 112.765463][ T10] netlink_unicast+0x449/0x710 [ 112.765463][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.765463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.765463][ T10] ___sys_sendmsg+0xee/0x170 [ 112.765463][ T10] __sys_sendmsg+0xcd/0x170 [ 112.765463][ T10] do_syscall_64+0xc6/0x1e0 [ 112.765463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.765463][ T10] [ 112.767818][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 112.767818][ T10] netdev_get_by_index+0x5e/0x80 [ 112.767818][ T10] fib6_nh_init+0x3d8/0x1580 [ 112.767818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 112.767818][ T10] ip6_route_add+0x1c/0x140 [ 112.767818][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 112.767818][ T10] addrconf_add_dev+0xe2/0x170 [ 112.767818][ T10] inet6_addr_add+0x12f/0xa40 [ 112.767818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 112.767818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.767818][ T10] netlink_rcv_skb+0x130/0x360 [ 112.767818][ T10] netlink_unicast+0x449/0x710 [ 112.767818][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.767818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.767818][ T10] ___sys_sendmsg+0xee/0x170 [ 112.767818][ T10] __sys_sendmsg+0xcd/0x170 [ 112.767818][ T10] do_syscall_64+0xc6/0x1e0 [ 112.767818][ T10] [ 112.770116][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 112.770116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 112.770116][ T10] ipv6_find_idev+0x102/0x170 [ 112.770116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.770116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.770116][ T10] netlink_rcv_skb+0x130/0x360 [ 112.770116][ T10] netlink_unicast+0x449/0x710 [ 112.770116][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.770116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.770116][ T10] ___sys_sendmsg+0xee/0x170 [ 112.770116][ T10] __sys_sendmsg+0xcd/0x170 [ 112.770116][ T10] do_syscall_64+0xc6/0x1e0 [ 112.770116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.770116][ T10] [ 112.771849][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 112.771849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 112.771849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 112.771849][ T10] ipv6_find_idev+0x102/0x170 [ 112.771849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 112.771849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 112.771849][ T10] netlink_rcv_skb+0x130/0x360 [ 112.771849][ T10] netlink_unicast+0x449/0x710 [ 112.771849][ T10] netlink_sendmsg+0x723/0xbe0 [ 112.771849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 112.771849][ T10] ___sys_sendmsg+0xee/0x170 [ 112.771849][ T10] __sys_sendmsg+0xcd/0x170 [ 112.771849][ T10] do_syscall_64+0xc6/0x1e0 [ 112.771849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 112.771849][ T10] [ 122.897041][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 122.897423][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 122.897423][ T10] netdev_get_by_index+0x5e/0x80 [ 122.897423][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.897423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.897423][ T10] addrconf_f6i_alloc+0x265/0x560 [ 122.897423][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 122.897423][ T10] addrconf_join_anycast+0x1c0/0x220 [ 122.897423][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 122.897423][ T10] addrconf_dad_completed+0x12b/0xe20 [ 122.897423][ T10] addrconf_dad_begin+0x310/0x670 [ 122.897423][ T10] addrconf_dad_work+0x10b/0xab0 [ 122.897423][ T10] process_one_work+0x84d/0x18a0 [ 122.897423][ T10] worker_thread+0x587/0xd30 [ 122.897423][ T10] kthread+0x28a/0x350 [ 122.897423][ T10] ret_from_fork+0x31/0x70 [ 122.897423][ T10] ret_from_fork_asm+0x1a/0x30 [ 122.897423][ T10] [ 122.899533][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 122.899533][ T10] netdev_get_by_index+0x5e/0x80 [ 122.899533][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.899533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.899533][ T10] ip6_route_add+0x1c/0x140 [ 122.899533][ T10] addrconf_prefix_route+0x2a6/0x430 [ 122.899533][ T10] inet6_addr_add+0x4f8/0xa40 [ 122.899533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.899533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.899533][ T10] netlink_rcv_skb+0x130/0x360 [ 122.899533][ T10] netlink_unicast+0x449/0x710 [ 122.899533][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.899533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.899533][ T10] ___sys_sendmsg+0xee/0x170 [ 122.899533][ T10] __sys_sendmsg+0xcd/0x170 [ 122.899533][ T10] do_syscall_64+0xc6/0x1e0 [ 122.899533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.899533][ T10] [ 122.901670][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 122.901670][ T10] netdev_get_by_index+0x5e/0x80 [ 122.901670][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.901670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.901670][ T10] addrconf_f6i_alloc+0x315/0x560 [ 122.901670][ T10] ipv6_add_addr+0x411/0x2000 [ 122.901670][ T10] inet6_addr_add+0x30e/0xa40 [ 122.901670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.901670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.901670][ T10] netlink_rcv_skb+0x130/0x360 [ 122.901670][ T10] netlink_unicast+0x449/0x710 [ 122.901670][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.901670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.901670][ T10] ___sys_sendmsg+0xee/0x170 [ 122.901670][ T10] __sys_sendmsg+0xcd/0x170 [ 122.901670][ T10] do_syscall_64+0xc6/0x1e0 [ 122.901670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.901670][ T10] [ 122.903888][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 122.903888][ T10] netdev_get_by_index+0x5e/0x80 [ 122.903888][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.903888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.903888][ T10] ip6_route_add+0x1c/0x140 [ 122.903888][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 122.903888][ T10] addrconf_add_dev+0xe2/0x170 [ 122.903888][ T10] inet6_addr_add+0x12f/0xa40 [ 122.903888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.903888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.903888][ T10] netlink_rcv_skb+0x130/0x360 [ 122.903888][ T10] netlink_unicast+0x449/0x710 [ 122.903888][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.903888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.903888][ T10] ___sys_sendmsg+0xee/0x170 [ 122.903888][ T10] __sys_sendmsg+0xcd/0x170 [ 122.903888][ T10] do_syscall_64+0xc6/0x1e0 [ 122.903888][ T10] [ 122.906101][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 122.906101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 122.906101][ T10] ipv6_find_idev+0x102/0x170 [ 122.906101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.906101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.906101][ T10] netlink_rcv_skb+0x130/0x360 [ 122.906101][ T10] netlink_unicast+0x449/0x710 [ 122.906101][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.906101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.906101][ T10] ___sys_sendmsg+0xee/0x170 [ 122.906101][ T10] __sys_sendmsg+0xcd/0x170 [ 122.906101][ T10] do_syscall_64+0xc6/0x1e0 [ 122.906101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.906101][ T10] [ 122.907807][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 122.907807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 122.907807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 122.907807][ T10] ipv6_find_idev+0x102/0x170 [ 122.907807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.907807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.907807][ T10] netlink_rcv_skb+0x130/0x360 [ 122.907807][ T10] netlink_unicast+0x449/0x710 [ 122.907807][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.907807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.907807][ T10] ___sys_sendmsg+0xee/0x170 [ 122.907807][ T10] __sys_sendmsg+0xcd/0x170 [ 122.907807][ T10] do_syscall_64+0xc6/0x1e0 [ 122.907807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.907807][ T10] [ 122.909751][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 122.910023][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 122.910023][ T10] netdev_get_by_index+0x5e/0x80 [ 122.910023][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.910023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.910023][ T10] addrconf_f6i_alloc+0x265/0x560 [ 122.910023][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 122.910023][ T10] addrconf_join_anycast+0x1c0/0x220 [ 122.910023][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 122.910023][ T10] addrconf_dad_completed+0x12b/0xe20 [ 122.910023][ T10] addrconf_dad_begin+0x310/0x670 [ 122.910023][ T10] addrconf_dad_work+0x10b/0xab0 [ 122.910023][ T10] process_one_work+0x84d/0x18a0 [ 122.910023][ T10] worker_thread+0x587/0xd30 [ 122.910023][ T10] kthread+0x28a/0x350 [ 122.910023][ T10] ret_from_fork+0x31/0x70 [ 122.910023][ T10] ret_from_fork_asm+0x1a/0x30 [ 122.910023][ T10] [ 122.912164][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 122.912164][ T10] netdev_get_by_index+0x5e/0x80 [ 122.912164][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.912164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.912164][ T10] ip6_route_add+0x1c/0x140 [ 122.912164][ T10] addrconf_prefix_route+0x2a6/0x430 [ 122.912164][ T10] inet6_addr_add+0x4f8/0xa40 [ 122.912164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.912164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.912164][ T10] netlink_rcv_skb+0x130/0x360 [ 122.912164][ T10] netlink_unicast+0x449/0x710 [ 122.912164][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.912164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.912164][ T10] ___sys_sendmsg+0xee/0x170 [ 122.912164][ T10] __sys_sendmsg+0xcd/0x170 [ 122.912164][ T10] do_syscall_64+0xc6/0x1e0 [ 122.912164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.912164][ T10] [ 122.914429][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 122.914429][ T10] netdev_get_by_index+0x5e/0x80 [ 122.914429][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.914429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.914429][ T10] addrconf_f6i_alloc+0x315/0x560 [ 122.914429][ T10] ipv6_add_addr+0x411/0x2000 [ 122.914429][ T10] inet6_addr_add+0x30e/0xa40 [ 122.914429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.914429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.914429][ T10] netlink_rcv_skb+0x130/0x360 [ 122.914429][ T10] netlink_unicast+0x449/0x710 [ 122.914429][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.914429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.914429][ T10] ___sys_sendmsg+0xee/0x170 [ 122.914429][ T10] __sys_sendmsg+0xcd/0x170 [ 122.914429][ T10] do_syscall_64+0xc6/0x1e0 [ 122.914429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.914429][ T10] [ 122.916679][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 122.916679][ T10] netdev_get_by_index+0x5e/0x80 [ 122.916679][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.916679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.916679][ T10] ip6_route_add+0x1c/0x140 [ 122.916679][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 122.916679][ T10] addrconf_add_dev+0xe2/0x170 [ 122.916679][ T10] inet6_addr_add+0x12f/0xa40 [ 122.916679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.916679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.916679][ T10] netlink_rcv_skb+0x130/0x360 [ 122.916679][ T10] netlink_unicast+0x449/0x710 [ 122.916679][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.916679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.916679][ T10] ___sys_sendmsg+0xee/0x170 [ 122.916679][ T10] __sys_sendmsg+0xcd/0x170 [ 122.916679][ T10] do_syscall_64+0xc6/0x1e0 [ 122.916679][ T10] [ 122.919011][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 122.919011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 122.919011][ T10] ipv6_find_idev+0x102/0x170 [ 122.919011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.919011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.919011][ T10] netlink_rcv_skb+0x130/0x360 [ 122.919011][ T10] netlink_unicast+0x449/0x710 [ 122.919011][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.919011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.919011][ T10] ___sys_sendmsg+0xee/0x170 [ 122.919011][ T10] __sys_sendmsg+0xcd/0x170 [ 122.919011][ T10] do_syscall_64+0xc6/0x1e0 [ 122.919011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.919011][ T10] [ 122.920767][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 122.920767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 122.920767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 122.920767][ T10] ipv6_find_idev+0x102/0x170 [ 122.920767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.920767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.920767][ T10] netlink_rcv_skb+0x130/0x360 [ 122.920767][ T10] netlink_unicast+0x449/0x710 [ 122.920767][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.920767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.920767][ T10] ___sys_sendmsg+0xee/0x170 [ 122.920767][ T10] __sys_sendmsg+0xcd/0x170 [ 122.920767][ T10] do_syscall_64+0xc6/0x1e0 [ 122.920767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.920767][ T10] [ 122.922742][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 122.923037][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 122.923037][ T10] netdev_get_by_index+0x5e/0x80 [ 122.923037][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.923037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.923037][ T10] addrconf_f6i_alloc+0x265/0x560 [ 122.923037][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 122.923037][ T10] addrconf_join_anycast+0x1c0/0x220 [ 122.923037][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 122.923037][ T10] addrconf_dad_completed+0x12b/0xe20 [ 122.923037][ T10] addrconf_dad_begin+0x310/0x670 [ 122.923037][ T10] addrconf_dad_work+0x10b/0xab0 [ 122.923037][ T10] process_one_work+0x84d/0x18a0 [ 122.923037][ T10] worker_thread+0x587/0xd30 [ 122.923037][ T10] kthread+0x28a/0x350 [ 122.923037][ T10] ret_from_fork+0x31/0x70 [ 122.923037][ T10] ret_from_fork_asm+0x1a/0x30 [ 122.923037][ T10] [ 122.925090][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 122.925090][ T10] netdev_get_by_index+0x5e/0x80 [ 122.925090][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.925090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.925090][ T10] ip6_route_add+0x1c/0x140 [ 122.925090][ T10] addrconf_prefix_route+0x2a6/0x430 [ 122.925090][ T10] inet6_addr_add+0x4f8/0xa40 [ 122.925090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.925090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.925090][ T10] netlink_rcv_skb+0x130/0x360 [ 122.925090][ T10] netlink_unicast+0x449/0x710 [ 122.925090][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.925090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.925090][ T10] ___sys_sendmsg+0xee/0x170 [ 122.925090][ T10] __sys_sendmsg+0xcd/0x170 [ 122.925090][ T10] do_syscall_64+0xc6/0x1e0 [ 122.925090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.925090][ T10] [ 122.927379][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 122.927379][ T10] netdev_get_by_index+0x5e/0x80 [ 122.927379][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.927379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.927379][ T10] addrconf_f6i_alloc+0x315/0x560 [ 122.927379][ T10] ipv6_add_addr+0x411/0x2000 [ 122.927379][ T10] inet6_addr_add+0x30e/0xa40 [ 122.927379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.927379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.927379][ T10] netlink_rcv_skb+0x130/0x360 [ 122.927379][ T10] netlink_unicast+0x449/0x710 [ 122.927379][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.927379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.927379][ T10] ___sys_sendmsg+0xee/0x170 [ 122.927379][ T10] __sys_sendmsg+0xcd/0x170 [ 122.927379][ T10] do_syscall_64+0xc6/0x1e0 [ 122.927379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.927379][ T10] [ 122.929861][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 122.929861][ T10] netdev_get_by_index+0x5e/0x80 [ 122.929861][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.929861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.929861][ T10] ip6_route_add+0x1c/0x140 [ 122.929861][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 122.929861][ T10] addrconf_add_dev+0xe2/0x170 [ 122.929861][ T10] inet6_addr_add+0x12f/0xa40 [ 122.929861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.929861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.929861][ T10] netlink_rcv_skb+0x130/0x360 [ 122.929861][ T10] netlink_unicast+0x449/0x710 [ 122.929861][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.929861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.929861][ T10] ___sys_sendmsg+0xee/0x170 [ 122.929861][ T10] __sys_sendmsg+0xcd/0x170 [ 122.929861][ T10] do_syscall_64+0xc6/0x1e0 [ 122.929861][ T10] [ 122.932066][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 122.932066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 122.932066][ T10] ipv6_find_idev+0x102/0x170 [ 122.932066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.932066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.932066][ T10] netlink_rcv_skb+0x130/0x360 [ 122.932066][ T10] netlink_unicast+0x449/0x710 [ 122.932066][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.932066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.932066][ T10] ___sys_sendmsg+0xee/0x170 [ 122.932066][ T10] __sys_sendmsg+0xcd/0x170 [ 122.932066][ T10] do_syscall_64+0xc6/0x1e0 [ 122.932066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.932066][ T10] [ 122.933828][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 122.933828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 122.933828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 122.933828][ T10] ipv6_find_idev+0x102/0x170 [ 122.933828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.933828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.933828][ T10] netlink_rcv_skb+0x130/0x360 [ 122.933828][ T10] netlink_unicast+0x449/0x710 [ 122.933828][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.933828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.933828][ T10] ___sys_sendmsg+0xee/0x170 [ 122.933828][ T10] __sys_sendmsg+0xcd/0x170 [ 122.933828][ T10] do_syscall_64+0xc6/0x1e0 [ 122.933828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.933828][ T10] [ 122.935925][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 122.936842][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 122.936842][ T10] netdev_get_by_index+0x5e/0x80 [ 122.936842][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.936842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.936842][ T10] addrconf_f6i_alloc+0x265/0x560 [ 122.936842][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 122.936842][ T10] addrconf_join_anycast+0x1c0/0x220 [ 122.936842][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 122.936842][ T10] addrconf_dad_completed+0x12b/0xe20 [ 122.936842][ T10] addrconf_dad_begin+0x310/0x670 [ 122.936842][ T10] addrconf_dad_work+0x10b/0xab0 [ 122.936842][ T10] process_one_work+0x84d/0x18a0 [ 122.936842][ T10] worker_thread+0x587/0xd30 [ 122.936842][ T10] kthread+0x28a/0x350 [ 122.936842][ T10] ret_from_fork+0x31/0x70 [ 122.936842][ T10] ret_from_fork_asm+0x1a/0x30 [ 122.936842][ T10] [ 122.939251][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 122.939251][ T10] netdev_get_by_index+0x5e/0x80 [ 122.939251][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.939251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.939251][ T10] ip6_route_add+0x1c/0x140 [ 122.939251][ T10] addrconf_prefix_route+0x2a6/0x430 [ 122.939251][ T10] inet6_addr_add+0x4f8/0xa40 [ 122.939251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.939251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.939251][ T10] netlink_rcv_skb+0x130/0x360 [ 122.939251][ T10] netlink_unicast+0x449/0x710 [ 122.939251][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.939251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.939251][ T10] ___sys_sendmsg+0xee/0x170 [ 122.939251][ T10] __sys_sendmsg+0xcd/0x170 [ 122.939251][ T10] do_syscall_64+0xc6/0x1e0 [ 122.939251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.939251][ T10] [ 122.941653][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 122.941653][ T10] netdev_get_by_index+0x5e/0x80 [ 122.941653][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.941653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.941653][ T10] addrconf_f6i_alloc+0x315/0x560 [ 122.941653][ T10] ipv6_add_addr+0x411/0x2000 [ 122.941653][ T10] inet6_addr_add+0x30e/0xa40 [ 122.941653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.941653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.941653][ T10] netlink_rcv_skb+0x130/0x360 [ 122.941653][ T10] netlink_unicast+0x449/0x710 [ 122.941653][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.941653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.941653][ T10] ___sys_sendmsg+0xee/0x170 [ 122.941653][ T10] __sys_sendmsg+0xcd/0x170 [ 122.941653][ T10] do_syscall_64+0xc6/0x1e0 [ 122.941653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.941653][ T10] [ 122.944170][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 122.944170][ T10] netdev_get_by_index+0x5e/0x80 [ 122.944170][ T10] fib6_nh_init+0x3d8/0x1580 [ 122.944170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 122.944170][ T10] ip6_route_add+0x1c/0x140 [ 122.944170][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 122.944170][ T10] addrconf_add_dev+0xe2/0x170 [ 122.944170][ T10] inet6_addr_add+0x12f/0xa40 [ 122.944170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 122.944170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.944170][ T10] netlink_rcv_skb+0x130/0x360 [ 122.944170][ T10] netlink_unicast+0x449/0x710 [ 122.944170][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.944170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.944170][ T10] ___sys_sendmsg+0xee/0x170 [ 122.944170][ T10] __sys_sendmsg+0xcd/0x170 [ 122.944170][ T10] do_syscall_64+0xc6/0x1e0 [ 122.944170][ T10] [ 122.946492][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 122.946492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 122.946492][ T10] ipv6_find_idev+0x102/0x170 [ 122.946492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.946492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.946492][ T10] netlink_rcv_skb+0x130/0x360 [ 122.946492][ T10] netlink_unicast+0x449/0x710 [ 122.946492][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.946492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.946492][ T10] ___sys_sendmsg+0xee/0x170 [ 122.946492][ T10] __sys_sendmsg+0xcd/0x170 [ 122.946492][ T10] do_syscall_64+0xc6/0x1e0 [ 122.946492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.946492][ T10] [ 122.948252][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 122.948252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 122.948252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 122.948252][ T10] ipv6_find_idev+0x102/0x170 [ 122.948252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 122.948252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 122.948252][ T10] netlink_rcv_skb+0x130/0x360 [ 122.948252][ T10] netlink_unicast+0x449/0x710 [ 122.948252][ T10] netlink_sendmsg+0x723/0xbe0 [ 122.948252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 122.948252][ T10] ___sys_sendmsg+0xee/0x170 [ 122.948252][ T10] __sys_sendmsg+0xcd/0x170 [ 122.948252][ T10] do_syscall_64+0xc6/0x1e0 [ 122.948252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 122.948252][ T10] [ 133.097039][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 133.097359][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 133.097359][ T10] netdev_get_by_index+0x5e/0x80 [ 133.097359][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.097359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.097359][ T10] addrconf_f6i_alloc+0x265/0x560 [ 133.097359][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 133.097359][ T10] addrconf_join_anycast+0x1c0/0x220 [ 133.097359][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 133.097359][ T10] addrconf_dad_completed+0x12b/0xe20 [ 133.097359][ T10] addrconf_dad_begin+0x310/0x670 [ 133.097359][ T10] addrconf_dad_work+0x10b/0xab0 [ 133.097359][ T10] process_one_work+0x84d/0x18a0 [ 133.097359][ T10] worker_thread+0x587/0xd30 [ 133.097359][ T10] kthread+0x28a/0x350 [ 133.097359][ T10] ret_from_fork+0x31/0x70 [ 133.097359][ T10] ret_from_fork_asm+0x1a/0x30 [ 133.097359][ T10] [ 133.099428][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 133.099428][ T10] netdev_get_by_index+0x5e/0x80 [ 133.099428][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.099428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.099428][ T10] ip6_route_add+0x1c/0x140 [ 133.099428][ T10] addrconf_prefix_route+0x2a6/0x430 [ 133.099428][ T10] inet6_addr_add+0x4f8/0xa40 [ 133.099428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.099428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.099428][ T10] netlink_rcv_skb+0x130/0x360 [ 133.099428][ T10] netlink_unicast+0x449/0x710 [ 133.099428][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.099428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.099428][ T10] ___sys_sendmsg+0xee/0x170 [ 133.099428][ T10] __sys_sendmsg+0xcd/0x170 [ 133.099428][ T10] do_syscall_64+0xc6/0x1e0 [ 133.099428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.099428][ T10] [ 133.101563][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 133.101563][ T10] netdev_get_by_index+0x5e/0x80 [ 133.101563][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.101563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.101563][ T10] addrconf_f6i_alloc+0x315/0x560 [ 133.101563][ T10] ipv6_add_addr+0x411/0x2000 [ 133.101563][ T10] inet6_addr_add+0x30e/0xa40 [ 133.101563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.101563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.101563][ T10] netlink_rcv_skb+0x130/0x360 [ 133.101563][ T10] netlink_unicast+0x449/0x710 [ 133.101563][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.101563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.101563][ T10] ___sys_sendmsg+0xee/0x170 [ 133.101563][ T10] __sys_sendmsg+0xcd/0x170 [ 133.101563][ T10] do_syscall_64+0xc6/0x1e0 [ 133.101563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.101563][ T10] [ 133.103662][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 133.103662][ T10] netdev_get_by_index+0x5e/0x80 [ 133.103662][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.103662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.103662][ T10] ip6_route_add+0x1c/0x140 [ 133.103662][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 133.103662][ T10] addrconf_add_dev+0xe2/0x170 [ 133.103662][ T10] inet6_addr_add+0x12f/0xa40 [ 133.103662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.103662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.103662][ T10] netlink_rcv_skb+0x130/0x360 [ 133.103662][ T10] netlink_unicast+0x449/0x710 [ 133.103662][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.103662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.103662][ T10] ___sys_sendmsg+0xee/0x170 [ 133.103662][ T10] __sys_sendmsg+0xcd/0x170 [ 133.103662][ T10] do_syscall_64+0xc6/0x1e0 [ 133.103662][ T10] [ 133.105724][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 133.105724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 133.105724][ T10] ipv6_find_idev+0x102/0x170 [ 133.105724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.105724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.105724][ T10] netlink_rcv_skb+0x130/0x360 [ 133.105724][ T10] netlink_unicast+0x449/0x710 [ 133.105724][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.105724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.105724][ T10] ___sys_sendmsg+0xee/0x170 [ 133.105724][ T10] __sys_sendmsg+0xcd/0x170 [ 133.105724][ T10] do_syscall_64+0xc6/0x1e0 [ 133.105724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.105724][ T10] [ 133.107353][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 133.107353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 133.107353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 133.107353][ T10] ipv6_find_idev+0x102/0x170 [ 133.107353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.107353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.107353][ T10] netlink_rcv_skb+0x130/0x360 [ 133.107353][ T10] netlink_unicast+0x449/0x710 [ 133.107353][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.107353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.107353][ T10] ___sys_sendmsg+0xee/0x170 [ 133.107353][ T10] __sys_sendmsg+0xcd/0x170 [ 133.107353][ T10] do_syscall_64+0xc6/0x1e0 [ 133.107353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.107353][ T10] [ 133.109130][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 133.109400][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 133.109400][ T10] netdev_get_by_index+0x5e/0x80 [ 133.109400][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.109400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.109400][ T10] addrconf_f6i_alloc+0x265/0x560 [ 133.109400][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 133.109400][ T10] addrconf_join_anycast+0x1c0/0x220 [ 133.109400][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 133.109400][ T10] addrconf_dad_completed+0x12b/0xe20 [ 133.109400][ T10] addrconf_dad_begin+0x310/0x670 [ 133.109400][ T10] addrconf_dad_work+0x10b/0xab0 [ 133.109400][ T10] process_one_work+0x84d/0x18a0 [ 133.109400][ T10] worker_thread+0x587/0xd30 [ 133.109400][ T10] kthread+0x28a/0x350 [ 133.109400][ T10] ret_from_fork+0x31/0x70 [ 133.109400][ T10] ret_from_fork_asm+0x1a/0x30 [ 133.109400][ T10] [ 133.111687][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 133.111687][ T10] netdev_get_by_index+0x5e/0x80 [ 133.111687][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.111687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.111687][ T10] ip6_route_add+0x1c/0x140 [ 133.111687][ T10] addrconf_prefix_route+0x2a6/0x430 [ 133.111687][ T10] inet6_addr_add+0x4f8/0xa40 [ 133.111687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.111687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.111687][ T10] netlink_rcv_skb+0x130/0x360 [ 133.111687][ T10] netlink_unicast+0x449/0x710 [ 133.111687][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.111687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.111687][ T10] ___sys_sendmsg+0xee/0x170 [ 133.111687][ T10] __sys_sendmsg+0xcd/0x170 [ 133.111687][ T10] do_syscall_64+0xc6/0x1e0 [ 133.111687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.111687][ T10] [ 133.113922][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 133.113922][ T10] netdev_get_by_index+0x5e/0x80 [ 133.113922][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.113922][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.113922][ T10] addrconf_f6i_alloc+0x315/0x560 [ 133.113922][ T10] ipv6_add_addr+0x411/0x2000 [ 133.113922][ T10] inet6_addr_add+0x30e/0xa40 [ 133.113922][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.113922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.113922][ T10] netlink_rcv_skb+0x130/0x360 [ 133.113922][ T10] netlink_unicast+0x449/0x710 [ 133.113922][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.113922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.113922][ T10] ___sys_sendmsg+0xee/0x170 [ 133.113922][ T10] __sys_sendmsg+0xcd/0x170 [ 133.113922][ T10] do_syscall_64+0xc6/0x1e0 [ 133.113922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.113922][ T10] [ 133.116171][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 133.116171][ T10] netdev_get_by_index+0x5e/0x80 [ 133.116171][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.116171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.116171][ T10] ip6_route_add+0x1c/0x140 [ 133.116171][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 133.116171][ T10] addrconf_add_dev+0xe2/0x170 [ 133.116171][ T10] inet6_addr_add+0x12f/0xa40 [ 133.116171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.116171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.116171][ T10] netlink_rcv_skb+0x130/0x360 [ 133.116171][ T10] netlink_unicast+0x449/0x710 [ 133.116171][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.116171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.116171][ T10] ___sys_sendmsg+0xee/0x170 [ 133.116171][ T10] __sys_sendmsg+0xcd/0x170 [ 133.116171][ T10] do_syscall_64+0xc6/0x1e0 [ 133.116171][ T10] [ 133.118575][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 133.118575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 133.118575][ T10] ipv6_find_idev+0x102/0x170 [ 133.118575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.118575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.118575][ T10] netlink_rcv_skb+0x130/0x360 [ 133.118575][ T10] netlink_unicast+0x449/0x710 [ 133.118575][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.118575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.118575][ T10] ___sys_sendmsg+0xee/0x170 [ 133.118575][ T10] __sys_sendmsg+0xcd/0x170 [ 133.118575][ T10] do_syscall_64+0xc6/0x1e0 [ 133.118575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.118575][ T10] [ 133.120330][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 133.120330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 133.120330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 133.120330][ T10] ipv6_find_idev+0x102/0x170 [ 133.120330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.120330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.120330][ T10] netlink_rcv_skb+0x130/0x360 [ 133.120330][ T10] netlink_unicast+0x449/0x710 [ 133.120330][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.120330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.120330][ T10] ___sys_sendmsg+0xee/0x170 [ 133.120330][ T10] __sys_sendmsg+0xcd/0x170 [ 133.120330][ T10] do_syscall_64+0xc6/0x1e0 [ 133.120330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.120330][ T10] [ 133.122249][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 133.122566][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 133.122566][ T10] netdev_get_by_index+0x5e/0x80 [ 133.122566][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.122566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.122566][ T10] addrconf_f6i_alloc+0x265/0x560 [ 133.122566][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 133.122566][ T10] addrconf_join_anycast+0x1c0/0x220 [ 133.122566][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 133.122566][ T10] addrconf_dad_completed+0x12b/0xe20 [ 133.122566][ T10] addrconf_dad_begin+0x310/0x670 [ 133.122566][ T10] addrconf_dad_work+0x10b/0xab0 [ 133.122566][ T10] process_one_work+0x84d/0x18a0 [ 133.122566][ T10] worker_thread+0x587/0xd30 [ 133.122566][ T10] kthread+0x28a/0x350 [ 133.122566][ T10] ret_from_fork+0x31/0x70 [ 133.122566][ T10] ret_from_fork_asm+0x1a/0x30 [ 133.122566][ T10] [ 133.124736][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 133.124736][ T10] netdev_get_by_index+0x5e/0x80 [ 133.124736][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.124736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.124736][ T10] ip6_route_add+0x1c/0x140 [ 133.124736][ T10] addrconf_prefix_route+0x2a6/0x430 [ 133.124736][ T10] inet6_addr_add+0x4f8/0xa40 [ 133.124736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.124736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.124736][ T10] netlink_rcv_skb+0x130/0x360 [ 133.124736][ T10] netlink_unicast+0x449/0x710 [ 133.124736][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.124736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.124736][ T10] ___sys_sendmsg+0xee/0x170 [ 133.124736][ T10] __sys_sendmsg+0xcd/0x170 [ 133.124736][ T10] do_syscall_64+0xc6/0x1e0 [ 133.124736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.124736][ T10] [ 133.126836][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 133.126836][ T10] netdev_get_by_index+0x5e/0x80 [ 133.126836][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.126836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.126836][ T10] addrconf_f6i_alloc+0x315/0x560 [ 133.126836][ T10] ipv6_add_addr+0x411/0x2000 [ 133.126836][ T10] inet6_addr_add+0x30e/0xa40 [ 133.126836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.126836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.126836][ T10] netlink_rcv_skb+0x130/0x360 [ 133.126836][ T10] netlink_unicast+0x449/0x710 [ 133.126836][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.126836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.126836][ T10] ___sys_sendmsg+0xee/0x170 [ 133.126836][ T10] __sys_sendmsg+0xcd/0x170 [ 133.126836][ T10] do_syscall_64+0xc6/0x1e0 [ 133.126836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.126836][ T10] [ 133.129152][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 133.129152][ T10] netdev_get_by_index+0x5e/0x80 [ 133.129152][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.129152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.129152][ T10] ip6_route_add+0x1c/0x140 [ 133.129152][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 133.129152][ T10] addrconf_add_dev+0xe2/0x170 [ 133.129152][ T10] inet6_addr_add+0x12f/0xa40 [ 133.129152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.129152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.129152][ T10] netlink_rcv_skb+0x130/0x360 [ 133.129152][ T10] netlink_unicast+0x449/0x710 [ 133.129152][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.129152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.129152][ T10] ___sys_sendmsg+0xee/0x170 [ 133.129152][ T10] __sys_sendmsg+0xcd/0x170 [ 133.129152][ T10] do_syscall_64+0xc6/0x1e0 [ 133.129152][ T10] [ 133.131225][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 133.131225][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 133.131225][ T10] ipv6_find_idev+0x102/0x170 [ 133.131225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.131225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.131225][ T10] netlink_rcv_skb+0x130/0x360 [ 133.131225][ T10] netlink_unicast+0x449/0x710 [ 133.131225][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.131225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.131225][ T10] ___sys_sendmsg+0xee/0x170 [ 133.131225][ T10] __sys_sendmsg+0xcd/0x170 [ 133.131225][ T10] do_syscall_64+0xc6/0x1e0 [ 133.131225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.131225][ T10] [ 133.133000][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 133.133000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 133.133000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 133.133000][ T10] ipv6_find_idev+0x102/0x170 [ 133.133000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.133000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.133000][ T10] netlink_rcv_skb+0x130/0x360 [ 133.133000][ T10] netlink_unicast+0x449/0x710 [ 133.133000][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.133000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.133000][ T10] ___sys_sendmsg+0xee/0x170 [ 133.133000][ T10] __sys_sendmsg+0xcd/0x170 [ 133.133000][ T10] do_syscall_64+0xc6/0x1e0 [ 133.133000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.133000][ T10] [ 133.135062][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 133.135323][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 133.135323][ T10] netdev_get_by_index+0x5e/0x80 [ 133.135323][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.135323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.135323][ T10] addrconf_f6i_alloc+0x265/0x560 [ 133.135323][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 133.135323][ T10] addrconf_join_anycast+0x1c0/0x220 [ 133.135323][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 133.135323][ T10] addrconf_dad_completed+0x12b/0xe20 [ 133.135323][ T10] addrconf_dad_begin+0x310/0x670 [ 133.135323][ T10] addrconf_dad_work+0x10b/0xab0 [ 133.135323][ T10] process_one_work+0x84d/0x18a0 [ 133.135323][ T10] worker_thread+0x587/0xd30 [ 133.135323][ T10] kthread+0x28a/0x350 [ 133.135323][ T10] ret_from_fork+0x31/0x70 [ 133.135323][ T10] ret_from_fork_asm+0x1a/0x30 [ 133.135323][ T10] [ 133.137582][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 133.137582][ T10] netdev_get_by_index+0x5e/0x80 [ 133.137582][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.137582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.137582][ T10] ip6_route_add+0x1c/0x140 [ 133.137582][ T10] addrconf_prefix_route+0x2a6/0x430 [ 133.137582][ T10] inet6_addr_add+0x4f8/0xa40 [ 133.137582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.137582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.137582][ T10] netlink_rcv_skb+0x130/0x360 [ 133.137582][ T10] netlink_unicast+0x449/0x710 [ 133.137582][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.137582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.137582][ T10] ___sys_sendmsg+0xee/0x170 [ 133.137582][ T10] __sys_sendmsg+0xcd/0x170 [ 133.137582][ T10] do_syscall_64+0xc6/0x1e0 [ 133.137582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.137582][ T10] [ 133.139829][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 133.139829][ T10] netdev_get_by_index+0x5e/0x80 [ 133.139829][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.139829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.139829][ T10] addrconf_f6i_alloc+0x315/0x560 [ 133.139829][ T10] ipv6_add_addr+0x411/0x2000 [ 133.139829][ T10] inet6_addr_add+0x30e/0xa40 [ 133.139829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.139829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.139829][ T10] netlink_rcv_skb+0x130/0x360 [ 133.139829][ T10] netlink_unicast+0x449/0x710 [ 133.139829][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.139829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.139829][ T10] ___sys_sendmsg+0xee/0x170 [ 133.139829][ T10] __sys_sendmsg+0xcd/0x170 [ 133.139829][ T10] do_syscall_64+0xc6/0x1e0 [ 133.139829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.139829][ T10] [ 133.142033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 133.142033][ T10] netdev_get_by_index+0x5e/0x80 [ 133.142033][ T10] fib6_nh_init+0x3d8/0x1580 [ 133.142033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 133.142033][ T10] ip6_route_add+0x1c/0x140 [ 133.142033][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 133.142033][ T10] addrconf_add_dev+0xe2/0x170 [ 133.142033][ T10] inet6_addr_add+0x12f/0xa40 [ 133.142033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 133.142033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.142033][ T10] netlink_rcv_skb+0x130/0x360 [ 133.142033][ T10] netlink_unicast+0x449/0x710 [ 133.142033][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.142033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.142033][ T10] ___sys_sendmsg+0xee/0x170 [ 133.142033][ T10] __sys_sendmsg+0xcd/0x170 [ 133.142033][ T10] do_syscall_64+0xc6/0x1e0 [ 133.142033][ T10] [ 133.144409][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 133.144409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 133.144409][ T10] ipv6_find_idev+0x102/0x170 [ 133.144409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.144409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.144409][ T10] netlink_rcv_skb+0x130/0x360 [ 133.144409][ T10] netlink_unicast+0x449/0x710 [ 133.144409][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.144409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.144409][ T10] ___sys_sendmsg+0xee/0x170 [ 133.144409][ T10] __sys_sendmsg+0xcd/0x170 [ 133.144409][ T10] do_syscall_64+0xc6/0x1e0 [ 133.144409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.144409][ T10] [ 133.146136][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 133.146136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 133.146136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 133.146136][ T10] ipv6_find_idev+0x102/0x170 [ 133.146136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 133.146136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 133.146136][ T10] netlink_rcv_skb+0x130/0x360 [ 133.146136][ T10] netlink_unicast+0x449/0x710 [ 133.146136][ T10] netlink_sendmsg+0x723/0xbe0 [ 133.146136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 133.146136][ T10] ___sys_sendmsg+0xee/0x170 [ 133.146136][ T10] __sys_sendmsg+0xcd/0x170 [ 133.146136][ T10] do_syscall_64+0xc6/0x1e0 [ 133.146136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 133.146136][ T10] [ 143.289035][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 143.289490][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 143.289490][ T10] netdev_get_by_index+0x5e/0x80 [ 143.289490][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.289490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.289490][ T10] addrconf_f6i_alloc+0x265/0x560 [ 143.289490][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 143.289490][ T10] addrconf_join_anycast+0x1c0/0x220 [ 143.289490][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 143.289490][ T10] addrconf_dad_completed+0x12b/0xe20 [ 143.289490][ T10] addrconf_dad_begin+0x310/0x670 [ 143.289490][ T10] addrconf_dad_work+0x10b/0xab0 [ 143.289490][ T10] process_one_work+0x84d/0x18a0 [ 143.289490][ T10] worker_thread+0x587/0xd30 [ 143.289490][ T10] kthread+0x28a/0x350 [ 143.289490][ T10] ret_from_fork+0x31/0x70 [ 143.289490][ T10] ret_from_fork_asm+0x1a/0x30 [ 143.289490][ T10] [ 143.292566][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 143.292566][ T10] netdev_get_by_index+0x5e/0x80 [ 143.292566][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.292566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.292566][ T10] ip6_route_add+0x1c/0x140 [ 143.292566][ T10] addrconf_prefix_route+0x2a6/0x430 [ 143.292566][ T10] inet6_addr_add+0x4f8/0xa40 [ 143.292566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.292566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.292566][ T10] netlink_rcv_skb+0x130/0x360 [ 143.292566][ T10] netlink_unicast+0x449/0x710 [ 143.292566][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.292566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.292566][ T10] ___sys_sendmsg+0xee/0x170 [ 143.292566][ T10] __sys_sendmsg+0xcd/0x170 [ 143.292566][ T10] do_syscall_64+0xc6/0x1e0 [ 143.292566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.292566][ T10] [ 143.295747][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 143.295747][ T10] netdev_get_by_index+0x5e/0x80 [ 143.295747][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.295747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.295747][ T10] addrconf_f6i_alloc+0x315/0x560 [ 143.295747][ T10] ipv6_add_addr+0x411/0x2000 [ 143.295747][ T10] inet6_addr_add+0x30e/0xa40 [ 143.295747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.295747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.295747][ T10] netlink_rcv_skb+0x130/0x360 [ 143.295747][ T10] netlink_unicast+0x449/0x710 [ 143.295747][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.295747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.295747][ T10] ___sys_sendmsg+0xee/0x170 [ 143.295747][ T10] __sys_sendmsg+0xcd/0x170 [ 143.295747][ T10] do_syscall_64+0xc6/0x1e0 [ 143.295747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.295747][ T10] [ 143.298815][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 143.298815][ T10] netdev_get_by_index+0x5e/0x80 [ 143.298815][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.298815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.298815][ T10] ip6_route_add+0x1c/0x140 [ 143.298815][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 143.298815][ T10] addrconf_add_dev+0xe2/0x170 [ 143.298815][ T10] inet6_addr_add+0x12f/0xa40 [ 143.298815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.298815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.298815][ T10] netlink_rcv_skb+0x130/0x360 [ 143.298815][ T10] netlink_unicast+0x449/0x710 [ 143.298815][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.298815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.298815][ T10] ___sys_sendmsg+0xee/0x170 [ 143.298815][ T10] __sys_sendmsg+0xcd/0x170 [ 143.298815][ T10] do_syscall_64+0xc6/0x1e0 [ 143.298815][ T10] [ 143.302115][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 143.302115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 143.302115][ T10] ipv6_find_idev+0x102/0x170 [ 143.302115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.302115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.302115][ T10] netlink_rcv_skb+0x130/0x360 [ 143.302115][ T10] netlink_unicast+0x449/0x710 [ 143.302115][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.302115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.302115][ T10] ___sys_sendmsg+0xee/0x170 [ 143.302115][ T10] __sys_sendmsg+0xcd/0x170 [ 143.302115][ T10] do_syscall_64+0xc6/0x1e0 [ 143.302115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.302115][ T10] [ 143.304995][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 143.304995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 143.304995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 143.304995][ T10] ipv6_find_idev+0x102/0x170 [ 143.304995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.304995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.304995][ T10] netlink_rcv_skb+0x130/0x360 [ 143.304995][ T10] netlink_unicast+0x449/0x710 [ 143.304995][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.304995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.304995][ T10] ___sys_sendmsg+0xee/0x170 [ 143.304995][ T10] __sys_sendmsg+0xcd/0x170 [ 143.304995][ T10] do_syscall_64+0xc6/0x1e0 [ 143.304995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.304995][ T10] [ 143.308191][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 143.308593][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 143.308593][ T10] netdev_get_by_index+0x5e/0x80 [ 143.308593][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.308593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.308593][ T10] addrconf_f6i_alloc+0x265/0x560 [ 143.308593][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 143.308593][ T10] addrconf_join_anycast+0x1c0/0x220 [ 143.308593][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 143.308593][ T10] addrconf_dad_completed+0x12b/0xe20 [ 143.308593][ T10] addrconf_dad_begin+0x310/0x670 [ 143.308593][ T10] addrconf_dad_work+0x10b/0xab0 [ 143.308593][ T10] process_one_work+0x84d/0x18a0 [ 143.308593][ T10] worker_thread+0x587/0xd30 [ 143.308593][ T10] kthread+0x28a/0x350 [ 143.308593][ T10] ret_from_fork+0x31/0x70 [ 143.308593][ T10] ret_from_fork_asm+0x1a/0x30 [ 143.308593][ T10] [ 143.311542][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 143.311542][ T10] netdev_get_by_index+0x5e/0x80 [ 143.311542][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.311542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.311542][ T10] ip6_route_add+0x1c/0x140 [ 143.311542][ T10] addrconf_prefix_route+0x2a6/0x430 [ 143.311542][ T10] inet6_addr_add+0x4f8/0xa40 [ 143.311542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.311542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.311542][ T10] netlink_rcv_skb+0x130/0x360 [ 143.311542][ T10] netlink_unicast+0x449/0x710 [ 143.311542][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.311542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.311542][ T10] ___sys_sendmsg+0xee/0x170 [ 143.311542][ T10] __sys_sendmsg+0xcd/0x170 [ 143.311542][ T10] do_syscall_64+0xc6/0x1e0 [ 143.311542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.311542][ T10] [ 143.313924][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 143.313924][ T10] netdev_get_by_index+0x5e/0x80 [ 143.313924][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.313924][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.313924][ T10] addrconf_f6i_alloc+0x315/0x560 [ 143.313924][ T10] ipv6_add_addr+0x411/0x2000 [ 143.313924][ T10] inet6_addr_add+0x30e/0xa40 [ 143.313924][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.313924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.313924][ T10] netlink_rcv_skb+0x130/0x360 [ 143.313924][ T10] netlink_unicast+0x449/0x710 [ 143.313924][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.313924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.313924][ T10] ___sys_sendmsg+0xee/0x170 [ 143.313924][ T10] __sys_sendmsg+0xcd/0x170 [ 143.313924][ T10] do_syscall_64+0xc6/0x1e0 [ 143.313924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.313924][ T10] [ 143.316319][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 143.316319][ T10] netdev_get_by_index+0x5e/0x80 [ 143.316319][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.316319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.316319][ T10] ip6_route_add+0x1c/0x140 [ 143.316319][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 143.316319][ T10] addrconf_add_dev+0xe2/0x170 [ 143.316319][ T10] inet6_addr_add+0x12f/0xa40 [ 143.316319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.316319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.316319][ T10] netlink_rcv_skb+0x130/0x360 [ 143.316319][ T10] netlink_unicast+0x449/0x710 [ 143.316319][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.316319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.316319][ T10] ___sys_sendmsg+0xee/0x170 [ 143.316319][ T10] __sys_sendmsg+0xcd/0x170 [ 143.316319][ T10] do_syscall_64+0xc6/0x1e0 [ 143.316319][ T10] [ 143.318619][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 143.318619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 143.318619][ T10] ipv6_find_idev+0x102/0x170 [ 143.318619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.318619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.318619][ T10] netlink_rcv_skb+0x130/0x360 [ 143.318619][ T10] netlink_unicast+0x449/0x710 [ 143.318619][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.318619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.318619][ T10] ___sys_sendmsg+0xee/0x170 [ 143.318619][ T10] __sys_sendmsg+0xcd/0x170 [ 143.318619][ T10] do_syscall_64+0xc6/0x1e0 [ 143.318619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.318619][ T10] [ 143.320464][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 143.320464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 143.320464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 143.320464][ T10] ipv6_find_idev+0x102/0x170 [ 143.320464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.320464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.320464][ T10] netlink_rcv_skb+0x130/0x360 [ 143.320464][ T10] netlink_unicast+0x449/0x710 [ 143.320464][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.320464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.320464][ T10] ___sys_sendmsg+0xee/0x170 [ 143.320464][ T10] __sys_sendmsg+0xcd/0x170 [ 143.320464][ T10] do_syscall_64+0xc6/0x1e0 [ 143.320464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.320464][ T10] [ 143.322514][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 143.322776][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 143.322776][ T10] netdev_get_by_index+0x5e/0x80 [ 143.322776][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.322776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.322776][ T10] addrconf_f6i_alloc+0x265/0x560 [ 143.322776][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 143.322776][ T10] addrconf_join_anycast+0x1c0/0x220 [ 143.322776][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 143.322776][ T10] addrconf_dad_completed+0x12b/0xe20 [ 143.322776][ T10] addrconf_dad_begin+0x310/0x670 [ 143.322776][ T10] addrconf_dad_work+0x10b/0xab0 [ 143.322776][ T10] process_one_work+0x84d/0x18a0 [ 143.322776][ T10] worker_thread+0x587/0xd30 [ 143.322776][ T10] kthread+0x28a/0x350 [ 143.322776][ T10] ret_from_fork+0x31/0x70 [ 143.322776][ T10] ret_from_fork_asm+0x1a/0x30 [ 143.322776][ T10] [ 143.324982][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 143.324982][ T10] netdev_get_by_index+0x5e/0x80 [ 143.324982][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.324982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.324982][ T10] ip6_route_add+0x1c/0x140 [ 143.324982][ T10] addrconf_prefix_route+0x2a6/0x430 [ 143.324982][ T10] inet6_addr_add+0x4f8/0xa40 [ 143.324982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.324982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.324982][ T10] netlink_rcv_skb+0x130/0x360 [ 143.324982][ T10] netlink_unicast+0x449/0x710 [ 143.324982][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.324982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.324982][ T10] ___sys_sendmsg+0xee/0x170 [ 143.324982][ T10] __sys_sendmsg+0xcd/0x170 [ 143.324982][ T10] do_syscall_64+0xc6/0x1e0 [ 143.324982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.324982][ T10] [ 143.327312][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 143.327312][ T10] netdev_get_by_index+0x5e/0x80 [ 143.327312][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.327312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.327312][ T10] addrconf_f6i_alloc+0x315/0x560 [ 143.327312][ T10] ipv6_add_addr+0x411/0x2000 [ 143.327312][ T10] inet6_addr_add+0x30e/0xa40 [ 143.327312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.327312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.327312][ T10] netlink_rcv_skb+0x130/0x360 [ 143.327312][ T10] netlink_unicast+0x449/0x710 [ 143.327312][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.327312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.327312][ T10] ___sys_sendmsg+0xee/0x170 [ 143.327312][ T10] __sys_sendmsg+0xcd/0x170 [ 143.327312][ T10] do_syscall_64+0xc6/0x1e0 [ 143.327312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.327312][ T10] [ 143.329704][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 143.329704][ T10] netdev_get_by_index+0x5e/0x80 [ 143.329704][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.329704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.329704][ T10] ip6_route_add+0x1c/0x140 [ 143.329704][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 143.329704][ T10] addrconf_add_dev+0xe2/0x170 [ 143.329704][ T10] inet6_addr_add+0x12f/0xa40 [ 143.329704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.329704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.329704][ T10] netlink_rcv_skb+0x130/0x360 [ 143.329704][ T10] netlink_unicast+0x449/0x710 [ 143.329704][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.329704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.329704][ T10] ___sys_sendmsg+0xee/0x170 [ 143.329704][ T10] __sys_sendmsg+0xcd/0x170 [ 143.329704][ T10] do_syscall_64+0xc6/0x1e0 [ 143.329704][ T10] [ 143.331967][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 143.331967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 143.331967][ T10] ipv6_find_idev+0x102/0x170 [ 143.331967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.331967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.331967][ T10] netlink_rcv_skb+0x130/0x360 [ 143.331967][ T10] netlink_unicast+0x449/0x710 [ 143.331967][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.331967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.331967][ T10] ___sys_sendmsg+0xee/0x170 [ 143.331967][ T10] __sys_sendmsg+0xcd/0x170 [ 143.331967][ T10] do_syscall_64+0xc6/0x1e0 [ 143.331967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.331967][ T10] [ 143.334064][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 143.334064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 143.334064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 143.334064][ T10] ipv6_find_idev+0x102/0x170 [ 143.334064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.334064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.334064][ T10] netlink_rcv_skb+0x130/0x360 [ 143.334064][ T10] netlink_unicast+0x449/0x710 [ 143.334064][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.334064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.334064][ T10] ___sys_sendmsg+0xee/0x170 [ 143.334064][ T10] __sys_sendmsg+0xcd/0x170 [ 143.334064][ T10] do_syscall_64+0xc6/0x1e0 [ 143.334064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.334064][ T10] [ 143.337280][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 143.337678][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 143.337678][ T10] netdev_get_by_index+0x5e/0x80 [ 143.337678][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.337678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.337678][ T10] addrconf_f6i_alloc+0x265/0x560 [ 143.337678][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 143.337678][ T10] addrconf_join_anycast+0x1c0/0x220 [ 143.337678][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 143.337678][ T10] addrconf_dad_completed+0x12b/0xe20 [ 143.337678][ T10] addrconf_dad_begin+0x310/0x670 [ 143.337678][ T10] addrconf_dad_work+0x10b/0xab0 [ 143.337678][ T10] process_one_work+0x84d/0x18a0 [ 143.337678][ T10] worker_thread+0x587/0xd30 [ 143.337678][ T10] kthread+0x28a/0x350 [ 143.337678][ T10] ret_from_fork+0x31/0x70 [ 143.337678][ T10] ret_from_fork_asm+0x1a/0x30 [ 143.337678][ T10] [ 143.340989][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 143.340989][ T10] netdev_get_by_index+0x5e/0x80 [ 143.340989][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.340989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.340989][ T10] ip6_route_add+0x1c/0x140 [ 143.340989][ T10] addrconf_prefix_route+0x2a6/0x430 [ 143.340989][ T10] inet6_addr_add+0x4f8/0xa40 [ 143.340989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.340989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.340989][ T10] netlink_rcv_skb+0x130/0x360 [ 143.340989][ T10] netlink_unicast+0x449/0x710 [ 143.340989][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.340989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.340989][ T10] ___sys_sendmsg+0xee/0x170 [ 143.340989][ T10] __sys_sendmsg+0xcd/0x170 [ 143.340989][ T10] do_syscall_64+0xc6/0x1e0 [ 143.340989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.340989][ T10] [ 143.344629][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 143.344629][ T10] netdev_get_by_index+0x5e/0x80 [ 143.344629][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.344629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.344629][ T10] addrconf_f6i_alloc+0x315/0x560 [ 143.344629][ T10] ipv6_add_addr+0x411/0x2000 [ 143.344629][ T10] inet6_addr_add+0x30e/0xa40 [ 143.344629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.344629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.344629][ T10] netlink_rcv_skb+0x130/0x360 [ 143.344629][ T10] netlink_unicast+0x449/0x710 [ 143.344629][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.344629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.344629][ T10] ___sys_sendmsg+0xee/0x170 [ 143.344629][ T10] __sys_sendmsg+0xcd/0x170 [ 143.344629][ T10] do_syscall_64+0xc6/0x1e0 [ 143.344629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.344629][ T10] [ 143.347554][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 143.347554][ T10] netdev_get_by_index+0x5e/0x80 [ 143.347554][ T10] fib6_nh_init+0x3d8/0x1580 [ 143.347554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 143.347554][ T10] ip6_route_add+0x1c/0x140 [ 143.347554][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 143.347554][ T10] addrconf_add_dev+0xe2/0x170 [ 143.347554][ T10] inet6_addr_add+0x12f/0xa40 [ 143.347554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 143.347554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.347554][ T10] netlink_rcv_skb+0x130/0x360 [ 143.347554][ T10] netlink_unicast+0x449/0x710 [ 143.347554][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.347554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.347554][ T10] ___sys_sendmsg+0xee/0x170 [ 143.347554][ T10] __sys_sendmsg+0xcd/0x170 [ 143.347554][ T10] do_syscall_64+0xc6/0x1e0 [ 143.347554][ T10] [ 143.349901][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 143.349901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 143.349901][ T10] ipv6_find_idev+0x102/0x170 [ 143.349901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.349901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.349901][ T10] netlink_rcv_skb+0x130/0x360 [ 143.349901][ T10] netlink_unicast+0x449/0x710 [ 143.349901][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.349901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.349901][ T10] ___sys_sendmsg+0xee/0x170 [ 143.349901][ T10] __sys_sendmsg+0xcd/0x170 [ 143.349901][ T10] do_syscall_64+0xc6/0x1e0 [ 143.349901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.349901][ T10] [ 143.351773][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 143.351773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 143.351773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 143.351773][ T10] ipv6_find_idev+0x102/0x170 [ 143.351773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 143.351773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 143.351773][ T10] netlink_rcv_skb+0x130/0x360 [ 143.351773][ T10] netlink_unicast+0x449/0x710 [ 143.351773][ T10] netlink_sendmsg+0x723/0xbe0 [ 143.351773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 143.351773][ T10] ___sys_sendmsg+0xee/0x170 [ 143.351773][ T10] __sys_sendmsg+0xcd/0x170 [ 143.351773][ T10] do_syscall_64+0xc6/0x1e0 [ 143.351773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 143.351773][ T10] [ 153.497038][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 153.497397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 153.497397][ T10] netdev_get_by_index+0x5e/0x80 [ 153.497397][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.497397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.497397][ T10] addrconf_f6i_alloc+0x265/0x560 [ 153.497397][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 153.497397][ T10] addrconf_join_anycast+0x1c0/0x220 [ 153.497397][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 153.497397][ T10] addrconf_dad_completed+0x12b/0xe20 [ 153.497397][ T10] addrconf_dad_begin+0x310/0x670 [ 153.497397][ T10] addrconf_dad_work+0x10b/0xab0 [ 153.497397][ T10] process_one_work+0x84d/0x18a0 [ 153.497397][ T10] worker_thread+0x587/0xd30 [ 153.497397][ T10] kthread+0x28a/0x350 [ 153.497397][ T10] ret_from_fork+0x31/0x70 [ 153.497397][ T10] ret_from_fork_asm+0x1a/0x30 [ 153.497397][ T10] [ 153.499478][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 153.499478][ T10] netdev_get_by_index+0x5e/0x80 [ 153.499478][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.499478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.499478][ T10] ip6_route_add+0x1c/0x140 [ 153.499478][ T10] addrconf_prefix_route+0x2a6/0x430 [ 153.499478][ T10] inet6_addr_add+0x4f8/0xa40 [ 153.499478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.499478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.499478][ T10] netlink_rcv_skb+0x130/0x360 [ 153.499478][ T10] netlink_unicast+0x449/0x710 [ 153.499478][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.499478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.499478][ T10] ___sys_sendmsg+0xee/0x170 [ 153.499478][ T10] __sys_sendmsg+0xcd/0x170 [ 153.499478][ T10] do_syscall_64+0xc6/0x1e0 [ 153.499478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.499478][ T10] [ 153.501636][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 153.501636][ T10] netdev_get_by_index+0x5e/0x80 [ 153.501636][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.501636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.501636][ T10] addrconf_f6i_alloc+0x315/0x560 [ 153.501636][ T10] ipv6_add_addr+0x411/0x2000 [ 153.501636][ T10] inet6_addr_add+0x30e/0xa40 [ 153.501636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.501636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.501636][ T10] netlink_rcv_skb+0x130/0x360 [ 153.501636][ T10] netlink_unicast+0x449/0x710 [ 153.501636][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.501636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.501636][ T10] ___sys_sendmsg+0xee/0x170 [ 153.501636][ T10] __sys_sendmsg+0xcd/0x170 [ 153.501636][ T10] do_syscall_64+0xc6/0x1e0 [ 153.501636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.501636][ T10] [ 153.503715][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 153.503715][ T10] netdev_get_by_index+0x5e/0x80 [ 153.503715][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.503715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.503715][ T10] ip6_route_add+0x1c/0x140 [ 153.503715][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 153.503715][ T10] addrconf_add_dev+0xe2/0x170 [ 153.503715][ T10] inet6_addr_add+0x12f/0xa40 [ 153.503715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.503715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.503715][ T10] netlink_rcv_skb+0x130/0x360 [ 153.503715][ T10] netlink_unicast+0x449/0x710 [ 153.503715][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.503715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.503715][ T10] ___sys_sendmsg+0xee/0x170 [ 153.503715][ T10] __sys_sendmsg+0xcd/0x170 [ 153.503715][ T10] do_syscall_64+0xc6/0x1e0 [ 153.503715][ T10] [ 153.505767][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 153.505767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 153.505767][ T10] ipv6_find_idev+0x102/0x170 [ 153.505767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.505767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.505767][ T10] netlink_rcv_skb+0x130/0x360 [ 153.505767][ T10] netlink_unicast+0x449/0x710 [ 153.505767][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.505767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.505767][ T10] ___sys_sendmsg+0xee/0x170 [ 153.505767][ T10] __sys_sendmsg+0xcd/0x170 [ 153.505767][ T10] do_syscall_64+0xc6/0x1e0 [ 153.505767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.505767][ T10] [ 153.507448][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 153.507448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 153.507448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 153.507448][ T10] ipv6_find_idev+0x102/0x170 [ 153.507448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.507448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.507448][ T10] netlink_rcv_skb+0x130/0x360 [ 153.507448][ T10] netlink_unicast+0x449/0x710 [ 153.507448][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.507448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.507448][ T10] ___sys_sendmsg+0xee/0x170 [ 153.507448][ T10] __sys_sendmsg+0xcd/0x170 [ 153.507448][ T10] do_syscall_64+0xc6/0x1e0 [ 153.507448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.507448][ T10] [ 153.509319][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 153.509592][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 153.509592][ T10] netdev_get_by_index+0x5e/0x80 [ 153.509592][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.509592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.509592][ T10] addrconf_f6i_alloc+0x265/0x560 [ 153.509592][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 153.509592][ T10] addrconf_join_anycast+0x1c0/0x220 [ 153.509592][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 153.509592][ T10] addrconf_dad_completed+0x12b/0xe20 [ 153.509592][ T10] addrconf_dad_begin+0x310/0x670 [ 153.509592][ T10] addrconf_dad_work+0x10b/0xab0 [ 153.509592][ T10] process_one_work+0x84d/0x18a0 [ 153.509592][ T10] worker_thread+0x587/0xd30 [ 153.509592][ T10] kthread+0x28a/0x350 [ 153.509592][ T10] ret_from_fork+0x31/0x70 [ 153.509592][ T10] ret_from_fork_asm+0x1a/0x30 [ 153.509592][ T10] [ 153.511646][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 153.511646][ T10] netdev_get_by_index+0x5e/0x80 [ 153.511646][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.511646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.511646][ T10] ip6_route_add+0x1c/0x140 [ 153.511646][ T10] addrconf_prefix_route+0x2a6/0x430 [ 153.511646][ T10] inet6_addr_add+0x4f8/0xa40 [ 153.511646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.511646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.511646][ T10] netlink_rcv_skb+0x130/0x360 [ 153.511646][ T10] netlink_unicast+0x449/0x710 [ 153.511646][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.511646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.511646][ T10] ___sys_sendmsg+0xee/0x170 [ 153.511646][ T10] __sys_sendmsg+0xcd/0x170 [ 153.511646][ T10] do_syscall_64+0xc6/0x1e0 [ 153.511646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.511646][ T10] [ 153.513803][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 153.513803][ T10] netdev_get_by_index+0x5e/0x80 [ 153.513803][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.513803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.513803][ T10] addrconf_f6i_alloc+0x315/0x560 [ 153.513803][ T10] ipv6_add_addr+0x411/0x2000 [ 153.513803][ T10] inet6_addr_add+0x30e/0xa40 [ 153.513803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.513803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.513803][ T10] netlink_rcv_skb+0x130/0x360 [ 153.513803][ T10] netlink_unicast+0x449/0x710 [ 153.513803][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.513803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.513803][ T10] ___sys_sendmsg+0xee/0x170 [ 153.513803][ T10] __sys_sendmsg+0xcd/0x170 [ 153.513803][ T10] do_syscall_64+0xc6/0x1e0 [ 153.513803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.513803][ T10] [ 153.516175][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 153.516175][ T10] netdev_get_by_index+0x5e/0x80 [ 153.516175][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.516175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.516175][ T10] ip6_route_add+0x1c/0x140 [ 153.516175][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 153.516175][ T10] addrconf_add_dev+0xe2/0x170 [ 153.516175][ T10] inet6_addr_add+0x12f/0xa40 [ 153.516175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.516175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.516175][ T10] netlink_rcv_skb+0x130/0x360 [ 153.516175][ T10] netlink_unicast+0x449/0x710 [ 153.516175][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.516175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.516175][ T10] ___sys_sendmsg+0xee/0x170 [ 153.516175][ T10] __sys_sendmsg+0xcd/0x170 [ 153.516175][ T10] do_syscall_64+0xc6/0x1e0 [ 153.516175][ T10] [ 153.518490][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 153.518490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 153.518490][ T10] ipv6_find_idev+0x102/0x170 [ 153.518490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.518490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.518490][ T10] netlink_rcv_skb+0x130/0x360 [ 153.518490][ T10] netlink_unicast+0x449/0x710 [ 153.518490][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.518490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.518490][ T10] ___sys_sendmsg+0xee/0x170 [ 153.518490][ T10] __sys_sendmsg+0xcd/0x170 [ 153.518490][ T10] do_syscall_64+0xc6/0x1e0 [ 153.518490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.518490][ T10] [ 153.520215][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 153.520215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 153.520215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 153.520215][ T10] ipv6_find_idev+0x102/0x170 [ 153.520215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.520215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.520215][ T10] netlink_rcv_skb+0x130/0x360 [ 153.520215][ T10] netlink_unicast+0x449/0x710 [ 153.520215][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.520215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.520215][ T10] ___sys_sendmsg+0xee/0x170 [ 153.520215][ T10] __sys_sendmsg+0xcd/0x170 [ 153.520215][ T10] do_syscall_64+0xc6/0x1e0 [ 153.520215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.520215][ T10] [ 153.522135][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 153.522396][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 153.522396][ T10] netdev_get_by_index+0x5e/0x80 [ 153.522396][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.522396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.522396][ T10] addrconf_f6i_alloc+0x265/0x560 [ 153.522396][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 153.522396][ T10] addrconf_join_anycast+0x1c0/0x220 [ 153.522396][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 153.522396][ T10] addrconf_dad_completed+0x12b/0xe20 [ 153.522396][ T10] addrconf_dad_begin+0x310/0x670 [ 153.522396][ T10] addrconf_dad_work+0x10b/0xab0 [ 153.522396][ T10] process_one_work+0x84d/0x18a0 [ 153.522396][ T10] worker_thread+0x587/0xd30 [ 153.522396][ T10] kthread+0x28a/0x350 [ 153.522396][ T10] ret_from_fork+0x31/0x70 [ 153.522396][ T10] ret_from_fork_asm+0x1a/0x30 [ 153.522396][ T10] [ 153.524604][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 153.524604][ T10] netdev_get_by_index+0x5e/0x80 [ 153.524604][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.524604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.524604][ T10] ip6_route_add+0x1c/0x140 [ 153.524604][ T10] addrconf_prefix_route+0x2a6/0x430 [ 153.524604][ T10] inet6_addr_add+0x4f8/0xa40 [ 153.524604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.524604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.524604][ T10] netlink_rcv_skb+0x130/0x360 [ 153.524604][ T10] netlink_unicast+0x449/0x710 [ 153.524604][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.524604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.524604][ T10] ___sys_sendmsg+0xee/0x170 [ 153.524604][ T10] __sys_sendmsg+0xcd/0x170 [ 153.524604][ T10] do_syscall_64+0xc6/0x1e0 [ 153.524604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.524604][ T10] [ 153.526829][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 153.526829][ T10] netdev_get_by_index+0x5e/0x80 [ 153.526829][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.526829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.526829][ T10] addrconf_f6i_alloc+0x315/0x560 [ 153.526829][ T10] ipv6_add_addr+0x411/0x2000 [ 153.526829][ T10] inet6_addr_add+0x30e/0xa40 [ 153.526829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.526829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.526829][ T10] netlink_rcv_skb+0x130/0x360 [ 153.526829][ T10] netlink_unicast+0x449/0x710 [ 153.526829][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.526829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.526829][ T10] ___sys_sendmsg+0xee/0x170 [ 153.526829][ T10] __sys_sendmsg+0xcd/0x170 [ 153.526829][ T10] do_syscall_64+0xc6/0x1e0 [ 153.526829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.526829][ T10] [ 153.529200][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 153.529200][ T10] netdev_get_by_index+0x5e/0x80 [ 153.529200][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.529200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.529200][ T10] ip6_route_add+0x1c/0x140 [ 153.529200][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 153.529200][ T10] addrconf_add_dev+0xe2/0x170 [ 153.529200][ T10] inet6_addr_add+0x12f/0xa40 [ 153.529200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.529200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.529200][ T10] netlink_rcv_skb+0x130/0x360 [ 153.529200][ T10] netlink_unicast+0x449/0x710 [ 153.529200][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.529200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.529200][ T10] ___sys_sendmsg+0xee/0x170 [ 153.529200][ T10] __sys_sendmsg+0xcd/0x170 [ 153.529200][ T10] do_syscall_64+0xc6/0x1e0 [ 153.529200][ T10] [ 153.531433][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 153.531433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 153.531433][ T10] ipv6_find_idev+0x102/0x170 [ 153.531433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.531433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.531433][ T10] netlink_rcv_skb+0x130/0x360 [ 153.531433][ T10] netlink_unicast+0x449/0x710 [ 153.531433][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.531433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.531433][ T10] ___sys_sendmsg+0xee/0x170 [ 153.531433][ T10] __sys_sendmsg+0xcd/0x170 [ 153.531433][ T10] do_syscall_64+0xc6/0x1e0 [ 153.531433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.531433][ T10] [ 153.533147][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 153.533147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 153.533147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 153.533147][ T10] ipv6_find_idev+0x102/0x170 [ 153.533147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.533147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.533147][ T10] netlink_rcv_skb+0x130/0x360 [ 153.533147][ T10] netlink_unicast+0x449/0x710 [ 153.533147][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.533147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.533147][ T10] ___sys_sendmsg+0xee/0x170 [ 153.533147][ T10] __sys_sendmsg+0xcd/0x170 [ 153.533147][ T10] do_syscall_64+0xc6/0x1e0 [ 153.533147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.533147][ T10] [ 153.535087][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 153.535417][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 153.535417][ T10] netdev_get_by_index+0x5e/0x80 [ 153.535417][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.535417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.535417][ T10] addrconf_f6i_alloc+0x265/0x560 [ 153.535417][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 153.535417][ T10] addrconf_join_anycast+0x1c0/0x220 [ 153.535417][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 153.535417][ T10] addrconf_dad_completed+0x12b/0xe20 [ 153.535417][ T10] addrconf_dad_begin+0x310/0x670 [ 153.535417][ T10] addrconf_dad_work+0x10b/0xab0 [ 153.535417][ T10] process_one_work+0x84d/0x18a0 [ 153.535417][ T10] worker_thread+0x587/0xd30 [ 153.535417][ T10] kthread+0x28a/0x350 [ 153.535417][ T10] ret_from_fork+0x31/0x70 [ 153.535417][ T10] ret_from_fork_asm+0x1a/0x30 [ 153.535417][ T10] [ 153.537549][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 153.537549][ T10] netdev_get_by_index+0x5e/0x80 [ 153.537549][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.537549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.537549][ T10] ip6_route_add+0x1c/0x140 [ 153.537549][ T10] addrconf_prefix_route+0x2a6/0x430 [ 153.537549][ T10] inet6_addr_add+0x4f8/0xa40 [ 153.537549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.537549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.537549][ T10] netlink_rcv_skb+0x130/0x360 [ 153.537549][ T10] netlink_unicast+0x449/0x710 [ 153.537549][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.537549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.537549][ T10] ___sys_sendmsg+0xee/0x170 [ 153.537549][ T10] __sys_sendmsg+0xcd/0x170 [ 153.537549][ T10] do_syscall_64+0xc6/0x1e0 [ 153.537549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.537549][ T10] [ 153.539787][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 153.539787][ T10] netdev_get_by_index+0x5e/0x80 [ 153.539787][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.539787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.539787][ T10] addrconf_f6i_alloc+0x315/0x560 [ 153.539787][ T10] ipv6_add_addr+0x411/0x2000 [ 153.539787][ T10] inet6_addr_add+0x30e/0xa40 [ 153.539787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.539787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.539787][ T10] netlink_rcv_skb+0x130/0x360 [ 153.539787][ T10] netlink_unicast+0x449/0x710 [ 153.539787][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.539787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.539787][ T10] ___sys_sendmsg+0xee/0x170 [ 153.539787][ T10] __sys_sendmsg+0xcd/0x170 [ 153.539787][ T10] do_syscall_64+0xc6/0x1e0 [ 153.539787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.539787][ T10] [ 153.542055][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 153.542055][ T10] netdev_get_by_index+0x5e/0x80 [ 153.542055][ T10] fib6_nh_init+0x3d8/0x1580 [ 153.542055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 153.542055][ T10] ip6_route_add+0x1c/0x140 [ 153.542055][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 153.542055][ T10] addrconf_add_dev+0xe2/0x170 [ 153.542055][ T10] inet6_addr_add+0x12f/0xa40 [ 153.542055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 153.542055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.542055][ T10] netlink_rcv_skb+0x130/0x360 [ 153.542055][ T10] netlink_unicast+0x449/0x710 [ 153.542055][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.542055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.542055][ T10] ___sys_sendmsg+0xee/0x170 [ 153.542055][ T10] __sys_sendmsg+0xcd/0x170 [ 153.542055][ T10] do_syscall_64+0xc6/0x1e0 [ 153.542055][ T10] [ 153.544329][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 153.544329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 153.544329][ T10] ipv6_find_idev+0x102/0x170 [ 153.544329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.544329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.544329][ T10] netlink_rcv_skb+0x130/0x360 [ 153.544329][ T10] netlink_unicast+0x449/0x710 [ 153.544329][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.544329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.544329][ T10] ___sys_sendmsg+0xee/0x170 [ 153.544329][ T10] __sys_sendmsg+0xcd/0x170 [ 153.544329][ T10] do_syscall_64+0xc6/0x1e0 [ 153.544329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.544329][ T10] [ 153.546033][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 153.546033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 153.546033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 153.546033][ T10] ipv6_find_idev+0x102/0x170 [ 153.546033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 153.546033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 153.546033][ T10] netlink_rcv_skb+0x130/0x360 [ 153.546033][ T10] netlink_unicast+0x449/0x710 [ 153.546033][ T10] netlink_sendmsg+0x723/0xbe0 [ 153.546033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 153.546033][ T10] ___sys_sendmsg+0xee/0x170 [ 153.546033][ T10] __sys_sendmsg+0xcd/0x170 [ 153.546033][ T10] do_syscall_64+0xc6/0x1e0 [ 153.546033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 153.546033][ T10] [ 163.673039][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 163.673397][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 163.673397][ T10] netdev_get_by_index+0x5e/0x80 [ 163.673397][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.673397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.673397][ T10] addrconf_f6i_alloc+0x265/0x560 [ 163.673397][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 163.673397][ T10] addrconf_join_anycast+0x1c0/0x220 [ 163.673397][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 163.673397][ T10] addrconf_dad_completed+0x12b/0xe20 [ 163.673397][ T10] addrconf_dad_begin+0x310/0x670 [ 163.673397][ T10] addrconf_dad_work+0x10b/0xab0 [ 163.673397][ T10] process_one_work+0x84d/0x18a0 [ 163.673397][ T10] worker_thread+0x587/0xd30 [ 163.673397][ T10] kthread+0x28a/0x350 [ 163.673397][ T10] ret_from_fork+0x31/0x70 [ 163.673397][ T10] ret_from_fork_asm+0x1a/0x30 [ 163.673397][ T10] [ 163.675447][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 163.675447][ T10] netdev_get_by_index+0x5e/0x80 [ 163.675447][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.675447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.675447][ T10] ip6_route_add+0x1c/0x140 [ 163.675447][ T10] addrconf_prefix_route+0x2a6/0x430 [ 163.675447][ T10] inet6_addr_add+0x4f8/0xa40 [ 163.675447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.675447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.675447][ T10] netlink_rcv_skb+0x130/0x360 [ 163.675447][ T10] netlink_unicast+0x449/0x710 [ 163.675447][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.675447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.675447][ T10] ___sys_sendmsg+0xee/0x170 [ 163.675447][ T10] __sys_sendmsg+0xcd/0x170 [ 163.675447][ T10] do_syscall_64+0xc6/0x1e0 [ 163.675447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.675447][ T10] [ 163.677645][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 163.677645][ T10] netdev_get_by_index+0x5e/0x80 [ 163.677645][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.677645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.677645][ T10] addrconf_f6i_alloc+0x315/0x560 [ 163.677645][ T10] ipv6_add_addr+0x411/0x2000 [ 163.677645][ T10] inet6_addr_add+0x30e/0xa40 [ 163.677645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.677645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.677645][ T10] netlink_rcv_skb+0x130/0x360 [ 163.677645][ T10] netlink_unicast+0x449/0x710 [ 163.677645][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.677645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.677645][ T10] ___sys_sendmsg+0xee/0x170 [ 163.677645][ T10] __sys_sendmsg+0xcd/0x170 [ 163.677645][ T10] do_syscall_64+0xc6/0x1e0 [ 163.677645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.677645][ T10] [ 163.679833][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 163.679833][ T10] netdev_get_by_index+0x5e/0x80 [ 163.679833][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.679833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.679833][ T10] ip6_route_add+0x1c/0x140 [ 163.679833][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 163.679833][ T10] addrconf_add_dev+0xe2/0x170 [ 163.679833][ T10] inet6_addr_add+0x12f/0xa40 [ 163.679833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.679833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.679833][ T10] netlink_rcv_skb+0x130/0x360 [ 163.679833][ T10] netlink_unicast+0x449/0x710 [ 163.679833][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.679833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.679833][ T10] ___sys_sendmsg+0xee/0x170 [ 163.679833][ T10] __sys_sendmsg+0xcd/0x170 [ 163.679833][ T10] do_syscall_64+0xc6/0x1e0 [ 163.679833][ T10] [ 163.681903][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 163.681903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 163.681903][ T10] ipv6_find_idev+0x102/0x170 [ 163.681903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.681903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.681903][ T10] netlink_rcv_skb+0x130/0x360 [ 163.681903][ T10] netlink_unicast+0x449/0x710 [ 163.681903][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.681903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.681903][ T10] ___sys_sendmsg+0xee/0x170 [ 163.681903][ T10] __sys_sendmsg+0xcd/0x170 [ 163.681903][ T10] do_syscall_64+0xc6/0x1e0 [ 163.681903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.681903][ T10] [ 163.683529][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 163.683529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 163.683529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 163.683529][ T10] ipv6_find_idev+0x102/0x170 [ 163.683529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.683529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.683529][ T10] netlink_rcv_skb+0x130/0x360 [ 163.683529][ T10] netlink_unicast+0x449/0x710 [ 163.683529][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.683529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.683529][ T10] ___sys_sendmsg+0xee/0x170 [ 163.683529][ T10] __sys_sendmsg+0xcd/0x170 [ 163.683529][ T10] do_syscall_64+0xc6/0x1e0 [ 163.683529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.683529][ T10] [ 163.685395][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 163.685667][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 163.685667][ T10] netdev_get_by_index+0x5e/0x80 [ 163.685667][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.685667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.685667][ T10] addrconf_f6i_alloc+0x265/0x560 [ 163.685667][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 163.685667][ T10] addrconf_join_anycast+0x1c0/0x220 [ 163.685667][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 163.685667][ T10] addrconf_dad_completed+0x12b/0xe20 [ 163.685667][ T10] addrconf_dad_begin+0x310/0x670 [ 163.685667][ T10] addrconf_dad_work+0x10b/0xab0 [ 163.685667][ T10] process_one_work+0x84d/0x18a0 [ 163.685667][ T10] worker_thread+0x587/0xd30 [ 163.685667][ T10] kthread+0x28a/0x350 [ 163.685667][ T10] ret_from_fork+0x31/0x70 [ 163.685667][ T10] ret_from_fork_asm+0x1a/0x30 [ 163.685667][ T10] [ 163.687688][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 163.687688][ T10] netdev_get_by_index+0x5e/0x80 [ 163.687688][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.687688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.687688][ T10] ip6_route_add+0x1c/0x140 [ 163.687688][ T10] addrconf_prefix_route+0x2a6/0x430 [ 163.687688][ T10] inet6_addr_add+0x4f8/0xa40 [ 163.687688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.687688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.687688][ T10] netlink_rcv_skb+0x130/0x360 [ 163.687688][ T10] netlink_unicast+0x449/0x710 [ 163.687688][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.687688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.687688][ T10] ___sys_sendmsg+0xee/0x170 [ 163.687688][ T10] __sys_sendmsg+0xcd/0x170 [ 163.687688][ T10] do_syscall_64+0xc6/0x1e0 [ 163.687688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.687688][ T10] [ 163.689913][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 163.689913][ T10] netdev_get_by_index+0x5e/0x80 [ 163.689913][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.689913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.689913][ T10] addrconf_f6i_alloc+0x315/0x560 [ 163.689913][ T10] ipv6_add_addr+0x411/0x2000 [ 163.689913][ T10] inet6_addr_add+0x30e/0xa40 [ 163.689913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.689913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.689913][ T10] netlink_rcv_skb+0x130/0x360 [ 163.689913][ T10] netlink_unicast+0x449/0x710 [ 163.689913][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.689913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.689913][ T10] ___sys_sendmsg+0xee/0x170 [ 163.689913][ T10] __sys_sendmsg+0xcd/0x170 [ 163.689913][ T10] do_syscall_64+0xc6/0x1e0 [ 163.689913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.689913][ T10] [ 163.692107][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 163.692107][ T10] netdev_get_by_index+0x5e/0x80 [ 163.692107][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.692107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.692107][ T10] ip6_route_add+0x1c/0x140 [ 163.692107][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 163.692107][ T10] addrconf_add_dev+0xe2/0x170 [ 163.692107][ T10] inet6_addr_add+0x12f/0xa40 [ 163.692107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.692107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.692107][ T10] netlink_rcv_skb+0x130/0x360 [ 163.692107][ T10] netlink_unicast+0x449/0x710 [ 163.692107][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.692107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.692107][ T10] ___sys_sendmsg+0xee/0x170 [ 163.692107][ T10] __sys_sendmsg+0xcd/0x170 [ 163.692107][ T10] do_syscall_64+0xc6/0x1e0 [ 163.692107][ T10] [ 163.694169][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 163.694169][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 163.694169][ T10] ipv6_find_idev+0x102/0x170 [ 163.694169][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.694169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.694169][ T10] netlink_rcv_skb+0x130/0x360 [ 163.694169][ T10] netlink_unicast+0x449/0x710 [ 163.694169][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.694169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.694169][ T10] ___sys_sendmsg+0xee/0x170 [ 163.694169][ T10] __sys_sendmsg+0xcd/0x170 [ 163.694169][ T10] do_syscall_64+0xc6/0x1e0 [ 163.694169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.694169][ T10] [ 163.695797][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 163.695797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 163.695797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 163.695797][ T10] ipv6_find_idev+0x102/0x170 [ 163.695797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.695797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.695797][ T10] netlink_rcv_skb+0x130/0x360 [ 163.695797][ T10] netlink_unicast+0x449/0x710 [ 163.695797][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.695797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.695797][ T10] ___sys_sendmsg+0xee/0x170 [ 163.695797][ T10] __sys_sendmsg+0xcd/0x170 [ 163.695797][ T10] do_syscall_64+0xc6/0x1e0 [ 163.695797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.695797][ T10] [ 163.697643][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 163.697962][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 163.697962][ T10] netdev_get_by_index+0x5e/0x80 [ 163.697962][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.697962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.697962][ T10] addrconf_f6i_alloc+0x265/0x560 [ 163.697962][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 163.697962][ T10] addrconf_join_anycast+0x1c0/0x220 [ 163.697962][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 163.697962][ T10] addrconf_dad_completed+0x12b/0xe20 [ 163.697962][ T10] addrconf_dad_begin+0x310/0x670 [ 163.697962][ T10] addrconf_dad_work+0x10b/0xab0 [ 163.697962][ T10] process_one_work+0x84d/0x18a0 [ 163.697962][ T10] worker_thread+0x587/0xd30 [ 163.697962][ T10] kthread+0x28a/0x350 [ 163.697962][ T10] ret_from_fork+0x31/0x70 [ 163.697962][ T10] ret_from_fork_asm+0x1a/0x30 [ 163.697962][ T10] [ 163.700270][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 163.700270][ T10] netdev_get_by_index+0x5e/0x80 [ 163.700270][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.700270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.700270][ T10] ip6_route_add+0x1c/0x140 [ 163.700270][ T10] addrconf_prefix_route+0x2a6/0x430 [ 163.700270][ T10] inet6_addr_add+0x4f8/0xa40 [ 163.700270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.700270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.700270][ T10] netlink_rcv_skb+0x130/0x360 [ 163.700270][ T10] netlink_unicast+0x449/0x710 [ 163.700270][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.700270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.700270][ T10] ___sys_sendmsg+0xee/0x170 [ 163.700270][ T10] __sys_sendmsg+0xcd/0x170 [ 163.700270][ T10] do_syscall_64+0xc6/0x1e0 [ 163.700270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.700270][ T10] [ 163.702789][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 163.702789][ T10] netdev_get_by_index+0x5e/0x80 [ 163.702789][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.702789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.702789][ T10] addrconf_f6i_alloc+0x315/0x560 [ 163.702789][ T10] ipv6_add_addr+0x411/0x2000 [ 163.702789][ T10] inet6_addr_add+0x30e/0xa40 [ 163.702789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.702789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.702789][ T10] netlink_rcv_skb+0x130/0x360 [ 163.702789][ T10] netlink_unicast+0x449/0x710 [ 163.702789][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.702789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.702789][ T10] ___sys_sendmsg+0xee/0x170 [ 163.702789][ T10] __sys_sendmsg+0xcd/0x170 [ 163.702789][ T10] do_syscall_64+0xc6/0x1e0 [ 163.702789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.702789][ T10] [ 163.705309][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 163.705309][ T10] netdev_get_by_index+0x5e/0x80 [ 163.705309][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.705309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.705309][ T10] ip6_route_add+0x1c/0x140 [ 163.705309][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 163.705309][ T10] addrconf_add_dev+0xe2/0x170 [ 163.705309][ T10] inet6_addr_add+0x12f/0xa40 [ 163.705309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.705309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.705309][ T10] netlink_rcv_skb+0x130/0x360 [ 163.705309][ T10] netlink_unicast+0x449/0x710 [ 163.705309][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.705309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.705309][ T10] ___sys_sendmsg+0xee/0x170 [ 163.705309][ T10] __sys_sendmsg+0xcd/0x170 [ 163.705309][ T10] do_syscall_64+0xc6/0x1e0 [ 163.705309][ T10] [ 163.707662][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 163.707662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 163.707662][ T10] ipv6_find_idev+0x102/0x170 [ 163.707662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.707662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.707662][ T10] netlink_rcv_skb+0x130/0x360 [ 163.707662][ T10] netlink_unicast+0x449/0x710 [ 163.707662][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.707662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.707662][ T10] ___sys_sendmsg+0xee/0x170 [ 163.707662][ T10] __sys_sendmsg+0xcd/0x170 [ 163.707662][ T10] do_syscall_64+0xc6/0x1e0 [ 163.707662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.707662][ T10] [ 163.709404][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 163.709404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 163.709404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 163.709404][ T10] ipv6_find_idev+0x102/0x170 [ 163.709404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.709404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.709404][ T10] netlink_rcv_skb+0x130/0x360 [ 163.709404][ T10] netlink_unicast+0x449/0x710 [ 163.709404][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.709404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.709404][ T10] ___sys_sendmsg+0xee/0x170 [ 163.709404][ T10] __sys_sendmsg+0xcd/0x170 [ 163.709404][ T10] do_syscall_64+0xc6/0x1e0 [ 163.709404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.709404][ T10] [ 163.711398][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 163.711723][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 163.711723][ T10] netdev_get_by_index+0x5e/0x80 [ 163.711723][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.711723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.711723][ T10] addrconf_f6i_alloc+0x265/0x560 [ 163.711723][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 163.711723][ T10] addrconf_join_anycast+0x1c0/0x220 [ 163.711723][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 163.711723][ T10] addrconf_dad_completed+0x12b/0xe20 [ 163.711723][ T10] addrconf_dad_begin+0x310/0x670 [ 163.711723][ T10] addrconf_dad_work+0x10b/0xab0 [ 163.711723][ T10] process_one_work+0x84d/0x18a0 [ 163.711723][ T10] worker_thread+0x587/0xd30 [ 163.711723][ T10] kthread+0x28a/0x350 [ 163.711723][ T10] ret_from_fork+0x31/0x70 [ 163.711723][ T10] ret_from_fork_asm+0x1a/0x30 [ 163.711723][ T10] [ 163.713931][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 163.713931][ T10] netdev_get_by_index+0x5e/0x80 [ 163.713931][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.713931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.713931][ T10] ip6_route_add+0x1c/0x140 [ 163.713931][ T10] addrconf_prefix_route+0x2a6/0x430 [ 163.713931][ T10] inet6_addr_add+0x4f8/0xa40 [ 163.713931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.713931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.713931][ T10] netlink_rcv_skb+0x130/0x360 [ 163.713931][ T10] netlink_unicast+0x449/0x710 [ 163.713931][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.713931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.713931][ T10] ___sys_sendmsg+0xee/0x170 [ 163.713931][ T10] __sys_sendmsg+0xcd/0x170 [ 163.713931][ T10] do_syscall_64+0xc6/0x1e0 [ 163.713931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.713931][ T10] [ 163.716247][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 163.716247][ T10] netdev_get_by_index+0x5e/0x80 [ 163.716247][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.716247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.716247][ T10] addrconf_f6i_alloc+0x315/0x560 [ 163.716247][ T10] ipv6_add_addr+0x411/0x2000 [ 163.716247][ T10] inet6_addr_add+0x30e/0xa40 [ 163.716247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.716247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.716247][ T10] netlink_rcv_skb+0x130/0x360 [ 163.716247][ T10] netlink_unicast+0x449/0x710 [ 163.716247][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.716247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.716247][ T10] ___sys_sendmsg+0xee/0x170 [ 163.716247][ T10] __sys_sendmsg+0xcd/0x170 [ 163.716247][ T10] do_syscall_64+0xc6/0x1e0 [ 163.716247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.716247][ T10] [ 163.718598][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 163.718598][ T10] netdev_get_by_index+0x5e/0x80 [ 163.718598][ T10] fib6_nh_init+0x3d8/0x1580 [ 163.718598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 163.718598][ T10] ip6_route_add+0x1c/0x140 [ 163.718598][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 163.718598][ T10] addrconf_add_dev+0xe2/0x170 [ 163.718598][ T10] inet6_addr_add+0x12f/0xa40 [ 163.718598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 163.718598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.718598][ T10] netlink_rcv_skb+0x130/0x360 [ 163.718598][ T10] netlink_unicast+0x449/0x710 [ 163.718598][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.718598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.718598][ T10] ___sys_sendmsg+0xee/0x170 [ 163.718598][ T10] __sys_sendmsg+0xcd/0x170 [ 163.718598][ T10] do_syscall_64+0xc6/0x1e0 [ 163.718598][ T10] [ 163.720795][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 163.720795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 163.720795][ T10] ipv6_find_idev+0x102/0x170 [ 163.720795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.720795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.720795][ T10] netlink_rcv_skb+0x130/0x360 [ 163.720795][ T10] netlink_unicast+0x449/0x710 [ 163.720795][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.720795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.720795][ T10] ___sys_sendmsg+0xee/0x170 [ 163.720795][ T10] __sys_sendmsg+0xcd/0x170 [ 163.720795][ T10] do_syscall_64+0xc6/0x1e0 [ 163.720795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.720795][ T10] [ 163.722600][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 163.722600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 163.722600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 163.722600][ T10] ipv6_find_idev+0x102/0x170 [ 163.722600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 163.722600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 163.722600][ T10] netlink_rcv_skb+0x130/0x360 [ 163.722600][ T10] netlink_unicast+0x449/0x710 [ 163.722600][ T10] netlink_sendmsg+0x723/0xbe0 [ 163.722600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 163.722600][ T10] ___sys_sendmsg+0xee/0x170 [ 163.722600][ T10] __sys_sendmsg+0xcd/0x170 [ 163.722600][ T10] do_syscall_64+0xc6/0x1e0 [ 163.722600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 163.722600][ T10] [ 173.866059][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 173.866494][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 173.866494][ T10] netdev_get_by_index+0x5e/0x80 [ 173.866494][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.866494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.866494][ T10] addrconf_f6i_alloc+0x265/0x560 [ 173.866494][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 173.866494][ T10] addrconf_join_anycast+0x1c0/0x220 [ 173.866494][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 173.866494][ T10] addrconf_dad_completed+0x12b/0xe20 [ 173.866494][ T10] addrconf_dad_begin+0x310/0x670 [ 173.866494][ T10] addrconf_dad_work+0x10b/0xab0 [ 173.866494][ T10] process_one_work+0x84d/0x18a0 [ 173.866494][ T10] worker_thread+0x587/0xd30 [ 173.866494][ T10] kthread+0x28a/0x350 [ 173.866494][ T10] ret_from_fork+0x31/0x70 [ 173.866494][ T10] ret_from_fork_asm+0x1a/0x30 [ 173.866494][ T10] [ 173.869115][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 173.869115][ T10] netdev_get_by_index+0x5e/0x80 [ 173.869115][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.869115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.869115][ T10] ip6_route_add+0x1c/0x140 [ 173.869115][ T10] addrconf_prefix_route+0x2a6/0x430 [ 173.869115][ T10] inet6_addr_add+0x4f8/0xa40 [ 173.869115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.869115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.869115][ T10] netlink_rcv_skb+0x130/0x360 [ 173.869115][ T10] netlink_unicast+0x449/0x710 [ 173.869115][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.869115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.869115][ T10] ___sys_sendmsg+0xee/0x170 [ 173.869115][ T10] __sys_sendmsg+0xcd/0x170 [ 173.869115][ T10] do_syscall_64+0xc6/0x1e0 [ 173.869115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.869115][ T10] [ 173.871779][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 173.871779][ T10] netdev_get_by_index+0x5e/0x80 [ 173.871779][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.871779][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.871779][ T10] addrconf_f6i_alloc+0x315/0x560 [ 173.871779][ T10] ipv6_add_addr+0x411/0x2000 [ 173.871779][ T10] inet6_addr_add+0x30e/0xa40 [ 173.871779][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.871779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.871779][ T10] netlink_rcv_skb+0x130/0x360 [ 173.871779][ T10] netlink_unicast+0x449/0x710 [ 173.871779][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.871779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.871779][ T10] ___sys_sendmsg+0xee/0x170 [ 173.871779][ T10] __sys_sendmsg+0xcd/0x170 [ 173.871779][ T10] do_syscall_64+0xc6/0x1e0 [ 173.871779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.871779][ T10] [ 173.874373][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 173.874373][ T10] netdev_get_by_index+0x5e/0x80 [ 173.874373][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.874373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.874373][ T10] ip6_route_add+0x1c/0x140 [ 173.874373][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 173.874373][ T10] addrconf_add_dev+0xe2/0x170 [ 173.874373][ T10] inet6_addr_add+0x12f/0xa40 [ 173.874373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.874373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.874373][ T10] netlink_rcv_skb+0x130/0x360 [ 173.874373][ T10] netlink_unicast+0x449/0x710 [ 173.874373][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.874373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.874373][ T10] ___sys_sendmsg+0xee/0x170 [ 173.874373][ T10] __sys_sendmsg+0xcd/0x170 [ 173.874373][ T10] do_syscall_64+0xc6/0x1e0 [ 173.874373][ T10] [ 173.876795][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 173.876795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 173.876795][ T10] ipv6_find_idev+0x102/0x170 [ 173.876795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.876795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.876795][ T10] netlink_rcv_skb+0x130/0x360 [ 173.876795][ T10] netlink_unicast+0x449/0x710 [ 173.876795][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.876795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.876795][ T10] ___sys_sendmsg+0xee/0x170 [ 173.876795][ T10] __sys_sendmsg+0xcd/0x170 [ 173.876795][ T10] do_syscall_64+0xc6/0x1e0 [ 173.876795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.876795][ T10] [ 173.878713][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 173.878713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 173.878713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 173.878713][ T10] ipv6_find_idev+0x102/0x170 [ 173.878713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.878713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.878713][ T10] netlink_rcv_skb+0x130/0x360 [ 173.878713][ T10] netlink_unicast+0x449/0x710 [ 173.878713][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.878713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.878713][ T10] ___sys_sendmsg+0xee/0x170 [ 173.878713][ T10] __sys_sendmsg+0xcd/0x170 [ 173.878713][ T10] do_syscall_64+0xc6/0x1e0 [ 173.878713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.878713][ T10] [ 173.880864][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 173.881188][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 173.881188][ T10] netdev_get_by_index+0x5e/0x80 [ 173.881188][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.881188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.881188][ T10] addrconf_f6i_alloc+0x265/0x560 [ 173.881188][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 173.881188][ T10] addrconf_join_anycast+0x1c0/0x220 [ 173.881188][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 173.881188][ T10] addrconf_dad_completed+0x12b/0xe20 [ 173.881188][ T10] addrconf_dad_begin+0x310/0x670 [ 173.881188][ T10] addrconf_dad_work+0x10b/0xab0 [ 173.881188][ T10] process_one_work+0x84d/0x18a0 [ 173.881188][ T10] worker_thread+0x587/0xd30 [ 173.881188][ T10] kthread+0x28a/0x350 [ 173.881188][ T10] ret_from_fork+0x31/0x70 [ 173.881188][ T10] ret_from_fork_asm+0x1a/0x30 [ 173.881188][ T10] [ 173.883513][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 173.883513][ T10] netdev_get_by_index+0x5e/0x80 [ 173.883513][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.883513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.883513][ T10] ip6_route_add+0x1c/0x140 [ 173.883513][ T10] addrconf_prefix_route+0x2a6/0x430 [ 173.883513][ T10] inet6_addr_add+0x4f8/0xa40 [ 173.883513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.883513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.883513][ T10] netlink_rcv_skb+0x130/0x360 [ 173.883513][ T10] netlink_unicast+0x449/0x710 [ 173.883513][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.883513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.883513][ T10] ___sys_sendmsg+0xee/0x170 [ 173.883513][ T10] __sys_sendmsg+0xcd/0x170 [ 173.883513][ T10] do_syscall_64+0xc6/0x1e0 [ 173.883513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.883513][ T10] [ 173.885993][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 173.885993][ T10] netdev_get_by_index+0x5e/0x80 [ 173.885993][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.885993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.885993][ T10] addrconf_f6i_alloc+0x315/0x560 [ 173.885993][ T10] ipv6_add_addr+0x411/0x2000 [ 173.885993][ T10] inet6_addr_add+0x30e/0xa40 [ 173.885993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.885993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.885993][ T10] netlink_rcv_skb+0x130/0x360 [ 173.885993][ T10] netlink_unicast+0x449/0x710 [ 173.885993][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.885993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.885993][ T10] ___sys_sendmsg+0xee/0x170 [ 173.885993][ T10] __sys_sendmsg+0xcd/0x170 [ 173.885993][ T10] do_syscall_64+0xc6/0x1e0 [ 173.885993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.885993][ T10] [ 173.888644][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 173.888644][ T10] netdev_get_by_index+0x5e/0x80 [ 173.888644][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.888644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.888644][ T10] ip6_route_add+0x1c/0x140 [ 173.888644][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 173.888644][ T10] addrconf_add_dev+0xe2/0x170 [ 173.888644][ T10] inet6_addr_add+0x12f/0xa40 [ 173.888644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.888644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.888644][ T10] netlink_rcv_skb+0x130/0x360 [ 173.888644][ T10] netlink_unicast+0x449/0x710 [ 173.888644][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.888644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.888644][ T10] ___sys_sendmsg+0xee/0x170 [ 173.888644][ T10] __sys_sendmsg+0xcd/0x170 [ 173.888644][ T10] do_syscall_64+0xc6/0x1e0 [ 173.888644][ T10] [ 173.891150][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 173.891150][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 173.891150][ T10] ipv6_find_idev+0x102/0x170 [ 173.891150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.891150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.891150][ T10] netlink_rcv_skb+0x130/0x360 [ 173.891150][ T10] netlink_unicast+0x449/0x710 [ 173.891150][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.891150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.891150][ T10] ___sys_sendmsg+0xee/0x170 [ 173.891150][ T10] __sys_sendmsg+0xcd/0x170 [ 173.891150][ T10] do_syscall_64+0xc6/0x1e0 [ 173.891150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.891150][ T10] [ 173.893128][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 173.893128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 173.893128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 173.893128][ T10] ipv6_find_idev+0x102/0x170 [ 173.893128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.893128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.893128][ T10] netlink_rcv_skb+0x130/0x360 [ 173.893128][ T10] netlink_unicast+0x449/0x710 [ 173.893128][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.893128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.893128][ T10] ___sys_sendmsg+0xee/0x170 [ 173.893128][ T10] __sys_sendmsg+0xcd/0x170 [ 173.893128][ T10] do_syscall_64+0xc6/0x1e0 [ 173.893128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.893128][ T10] [ 173.895458][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 173.895751][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 173.895751][ T10] netdev_get_by_index+0x5e/0x80 [ 173.895751][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.895751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.895751][ T10] addrconf_f6i_alloc+0x265/0x560 [ 173.895751][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 173.895751][ T10] addrconf_join_anycast+0x1c0/0x220 [ 173.895751][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 173.895751][ T10] addrconf_dad_completed+0x12b/0xe20 [ 173.895751][ T10] addrconf_dad_begin+0x310/0x670 [ 173.895751][ T10] addrconf_dad_work+0x10b/0xab0 [ 173.895751][ T10] process_one_work+0x84d/0x18a0 [ 173.895751][ T10] worker_thread+0x587/0xd30 [ 173.895751][ T10] kthread+0x28a/0x350 [ 173.895751][ T10] ret_from_fork+0x31/0x70 [ 173.895751][ T10] ret_from_fork_asm+0x1a/0x30 [ 173.895751][ T10] [ 173.898264][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 173.898264][ T10] netdev_get_by_index+0x5e/0x80 [ 173.898264][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.898264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.898264][ T10] ip6_route_add+0x1c/0x140 [ 173.898264][ T10] addrconf_prefix_route+0x2a6/0x430 [ 173.898264][ T10] inet6_addr_add+0x4f8/0xa40 [ 173.898264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.898264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.898264][ T10] netlink_rcv_skb+0x130/0x360 [ 173.898264][ T10] netlink_unicast+0x449/0x710 [ 173.898264][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.898264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.898264][ T10] ___sys_sendmsg+0xee/0x170 [ 173.898264][ T10] __sys_sendmsg+0xcd/0x170 [ 173.898264][ T10] do_syscall_64+0xc6/0x1e0 [ 173.898264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.898264][ T10] [ 173.900907][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 173.900907][ T10] netdev_get_by_index+0x5e/0x80 [ 173.900907][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.900907][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.900907][ T10] addrconf_f6i_alloc+0x315/0x560 [ 173.900907][ T10] ipv6_add_addr+0x411/0x2000 [ 173.900907][ T10] inet6_addr_add+0x30e/0xa40 [ 173.900907][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.900907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.900907][ T10] netlink_rcv_skb+0x130/0x360 [ 173.900907][ T10] netlink_unicast+0x449/0x710 [ 173.900907][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.900907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.900907][ T10] ___sys_sendmsg+0xee/0x170 [ 173.900907][ T10] __sys_sendmsg+0xcd/0x170 [ 173.900907][ T10] do_syscall_64+0xc6/0x1e0 [ 173.900907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.900907][ T10] [ 173.903496][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 173.903496][ T10] netdev_get_by_index+0x5e/0x80 [ 173.903496][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.903496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.903496][ T10] ip6_route_add+0x1c/0x140 [ 173.903496][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 173.903496][ T10] addrconf_add_dev+0xe2/0x170 [ 173.903496][ T10] inet6_addr_add+0x12f/0xa40 [ 173.903496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.903496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.903496][ T10] netlink_rcv_skb+0x130/0x360 [ 173.903496][ T10] netlink_unicast+0x449/0x710 [ 173.903496][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.903496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.903496][ T10] ___sys_sendmsg+0xee/0x170 [ 173.903496][ T10] __sys_sendmsg+0xcd/0x170 [ 173.903496][ T10] do_syscall_64+0xc6/0x1e0 [ 173.903496][ T10] [ 173.906261][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 173.906261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 173.906261][ T10] ipv6_find_idev+0x102/0x170 [ 173.906261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.906261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.906261][ T10] netlink_rcv_skb+0x130/0x360 [ 173.906261][ T10] netlink_unicast+0x449/0x710 [ 173.906261][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.906261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.906261][ T10] ___sys_sendmsg+0xee/0x170 [ 173.906261][ T10] __sys_sendmsg+0xcd/0x170 [ 173.906261][ T10] do_syscall_64+0xc6/0x1e0 [ 173.906261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.906261][ T10] [ 173.908276][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 173.908276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 173.908276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 173.908276][ T10] ipv6_find_idev+0x102/0x170 [ 173.908276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.908276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.908276][ T10] netlink_rcv_skb+0x130/0x360 [ 173.908276][ T10] netlink_unicast+0x449/0x710 [ 173.908276][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.908276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.908276][ T10] ___sys_sendmsg+0xee/0x170 [ 173.908276][ T10] __sys_sendmsg+0xcd/0x170 [ 173.908276][ T10] do_syscall_64+0xc6/0x1e0 [ 173.908276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.908276][ T10] [ 173.910772][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 173.911199][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 173.911199][ T10] netdev_get_by_index+0x5e/0x80 [ 173.911199][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.911199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.911199][ T10] addrconf_f6i_alloc+0x265/0x560 [ 173.911199][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 173.911199][ T10] addrconf_join_anycast+0x1c0/0x220 [ 173.911199][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 173.911199][ T10] addrconf_dad_completed+0x12b/0xe20 [ 173.911199][ T10] addrconf_dad_begin+0x310/0x670 [ 173.911199][ T10] addrconf_dad_work+0x10b/0xab0 [ 173.911199][ T10] process_one_work+0x84d/0x18a0 [ 173.911199][ T10] worker_thread+0x587/0xd30 [ 173.911199][ T10] kthread+0x28a/0x350 [ 173.911199][ T10] ret_from_fork+0x31/0x70 [ 173.911199][ T10] ret_from_fork_asm+0x1a/0x30 [ 173.911199][ T10] [ 173.913748][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 173.913748][ T10] netdev_get_by_index+0x5e/0x80 [ 173.913748][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.913748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.913748][ T10] ip6_route_add+0x1c/0x140 [ 173.913748][ T10] addrconf_prefix_route+0x2a6/0x430 [ 173.913748][ T10] inet6_addr_add+0x4f8/0xa40 [ 173.913748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.913748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.913748][ T10] netlink_rcv_skb+0x130/0x360 [ 173.913748][ T10] netlink_unicast+0x449/0x710 [ 173.913748][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.913748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.913748][ T10] ___sys_sendmsg+0xee/0x170 [ 173.913748][ T10] __sys_sendmsg+0xcd/0x170 [ 173.913748][ T10] do_syscall_64+0xc6/0x1e0 [ 173.913748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.913748][ T10] [ 173.916697][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 173.916697][ T10] netdev_get_by_index+0x5e/0x80 [ 173.916697][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.916697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.916697][ T10] addrconf_f6i_alloc+0x315/0x560 [ 173.916697][ T10] ipv6_add_addr+0x411/0x2000 [ 173.916697][ T10] inet6_addr_add+0x30e/0xa40 [ 173.916697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.916697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.916697][ T10] netlink_rcv_skb+0x130/0x360 [ 173.916697][ T10] netlink_unicast+0x449/0x710 [ 173.916697][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.916697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.916697][ T10] ___sys_sendmsg+0xee/0x170 [ 173.916697][ T10] __sys_sendmsg+0xcd/0x170 [ 173.916697][ T10] do_syscall_64+0xc6/0x1e0 [ 173.916697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.916697][ T10] [ 173.919578][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 173.919578][ T10] netdev_get_by_index+0x5e/0x80 [ 173.919578][ T10] fib6_nh_init+0x3d8/0x1580 [ 173.919578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 173.919578][ T10] ip6_route_add+0x1c/0x140 [ 173.919578][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 173.919578][ T10] addrconf_add_dev+0xe2/0x170 [ 173.919578][ T10] inet6_addr_add+0x12f/0xa40 [ 173.919578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 173.919578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.919578][ T10] netlink_rcv_skb+0x130/0x360 [ 173.919578][ T10] netlink_unicast+0x449/0x710 [ 173.919578][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.919578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.919578][ T10] ___sys_sendmsg+0xee/0x170 [ 173.919578][ T10] __sys_sendmsg+0xcd/0x170 [ 173.919578][ T10] do_syscall_64+0xc6/0x1e0 [ 173.919578][ T10] [ 173.922351][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 173.922351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 173.922351][ T10] ipv6_find_idev+0x102/0x170 [ 173.922351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.922351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.922351][ T10] netlink_rcv_skb+0x130/0x360 [ 173.922351][ T10] netlink_unicast+0x449/0x710 [ 173.922351][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.922351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.922351][ T10] ___sys_sendmsg+0xee/0x170 [ 173.922351][ T10] __sys_sendmsg+0xcd/0x170 [ 173.922351][ T10] do_syscall_64+0xc6/0x1e0 [ 173.922351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.922351][ T10] [ 173.924338][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 173.924338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 173.924338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 173.924338][ T10] ipv6_find_idev+0x102/0x170 [ 173.924338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 173.924338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 173.924338][ T10] netlink_rcv_skb+0x130/0x360 [ 173.924338][ T10] netlink_unicast+0x449/0x710 [ 173.924338][ T10] netlink_sendmsg+0x723/0xbe0 [ 173.924338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 173.924338][ T10] ___sys_sendmsg+0xee/0x170 [ 173.924338][ T10] __sys_sendmsg+0xcd/0x170 [ 173.924338][ T10] do_syscall_64+0xc6/0x1e0 [ 173.924338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 173.924338][ T10] [ 184.049280][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 184.049660][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 184.049660][ T10] netdev_get_by_index+0x5e/0x80 [ 184.049660][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.049660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.049660][ T10] addrconf_f6i_alloc+0x265/0x560 [ 184.049660][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 184.049660][ T10] addrconf_join_anycast+0x1c0/0x220 [ 184.049660][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 184.049660][ T10] addrconf_dad_completed+0x12b/0xe20 [ 184.049660][ T10] addrconf_dad_begin+0x310/0x670 [ 184.049660][ T10] addrconf_dad_work+0x10b/0xab0 [ 184.049660][ T10] process_one_work+0x84d/0x18a0 [ 184.049660][ T10] worker_thread+0x587/0xd30 [ 184.049660][ T10] kthread+0x28a/0x350 [ 184.049660][ T10] ret_from_fork+0x31/0x70 [ 184.049660][ T10] ret_from_fork_asm+0x1a/0x30 [ 184.049660][ T10] [ 184.052111][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 184.052111][ T10] netdev_get_by_index+0x5e/0x80 [ 184.052111][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.052111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.052111][ T10] ip6_route_add+0x1c/0x140 [ 184.052111][ T10] addrconf_prefix_route+0x2a6/0x430 [ 184.052111][ T10] inet6_addr_add+0x4f8/0xa40 [ 184.052111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.052111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.052111][ T10] netlink_rcv_skb+0x130/0x360 [ 184.052111][ T10] netlink_unicast+0x449/0x710 [ 184.052111][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.052111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.052111][ T10] ___sys_sendmsg+0xee/0x170 [ 184.052111][ T10] __sys_sendmsg+0xcd/0x170 [ 184.052111][ T10] do_syscall_64+0xc6/0x1e0 [ 184.052111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.052111][ T10] [ 184.054654][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 184.054654][ T10] netdev_get_by_index+0x5e/0x80 [ 184.054654][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.054654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.054654][ T10] addrconf_f6i_alloc+0x315/0x560 [ 184.054654][ T10] ipv6_add_addr+0x411/0x2000 [ 184.054654][ T10] inet6_addr_add+0x30e/0xa40 [ 184.054654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.054654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.054654][ T10] netlink_rcv_skb+0x130/0x360 [ 184.054654][ T10] netlink_unicast+0x449/0x710 [ 184.054654][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.054654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.054654][ T10] ___sys_sendmsg+0xee/0x170 [ 184.054654][ T10] __sys_sendmsg+0xcd/0x170 [ 184.054654][ T10] do_syscall_64+0xc6/0x1e0 [ 184.054654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.054654][ T10] [ 184.057009][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 184.057009][ T10] netdev_get_by_index+0x5e/0x80 [ 184.057009][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.057009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.057009][ T10] ip6_route_add+0x1c/0x140 [ 184.057009][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 184.057009][ T10] addrconf_add_dev+0xe2/0x170 [ 184.057009][ T10] inet6_addr_add+0x12f/0xa40 [ 184.057009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.057009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.057009][ T10] netlink_rcv_skb+0x130/0x360 [ 184.057009][ T10] netlink_unicast+0x449/0x710 [ 184.057009][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.057009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.057009][ T10] ___sys_sendmsg+0xee/0x170 [ 184.057009][ T10] __sys_sendmsg+0xcd/0x170 [ 184.057009][ T10] do_syscall_64+0xc6/0x1e0 [ 184.057009][ T10] [ 184.059301][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 184.059301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 184.059301][ T10] ipv6_find_idev+0x102/0x170 [ 184.059301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.059301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.059301][ T10] netlink_rcv_skb+0x130/0x360 [ 184.059301][ T10] netlink_unicast+0x449/0x710 [ 184.059301][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.059301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.059301][ T10] ___sys_sendmsg+0xee/0x170 [ 184.059301][ T10] __sys_sendmsg+0xcd/0x170 [ 184.059301][ T10] do_syscall_64+0xc6/0x1e0 [ 184.059301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.059301][ T10] [ 184.060963][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 184.060963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 184.060963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 184.060963][ T10] ipv6_find_idev+0x102/0x170 [ 184.060963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.060963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.060963][ T10] netlink_rcv_skb+0x130/0x360 [ 184.060963][ T10] netlink_unicast+0x449/0x710 [ 184.060963][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.060963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.060963][ T10] ___sys_sendmsg+0xee/0x170 [ 184.060963][ T10] __sys_sendmsg+0xcd/0x170 [ 184.060963][ T10] do_syscall_64+0xc6/0x1e0 [ 184.060963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.060963][ T10] [ 184.063056][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 184.063435][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 184.063435][ T10] netdev_get_by_index+0x5e/0x80 [ 184.063435][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.063435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.063435][ T10] addrconf_f6i_alloc+0x265/0x560 [ 184.063435][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 184.063435][ T10] addrconf_join_anycast+0x1c0/0x220 [ 184.063435][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 184.063435][ T10] addrconf_dad_completed+0x12b/0xe20 [ 184.063435][ T10] addrconf_dad_begin+0x310/0x670 [ 184.063435][ T10] addrconf_dad_work+0x10b/0xab0 [ 184.063435][ T10] process_one_work+0x84d/0x18a0 [ 184.063435][ T10] worker_thread+0x587/0xd30 [ 184.063435][ T10] kthread+0x28a/0x350 [ 184.063435][ T10] ret_from_fork+0x31/0x70 [ 184.063435][ T10] ret_from_fork_asm+0x1a/0x30 [ 184.063435][ T10] [ 184.065762][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 184.065762][ T10] netdev_get_by_index+0x5e/0x80 [ 184.065762][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.065762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.065762][ T10] ip6_route_add+0x1c/0x140 [ 184.065762][ T10] addrconf_prefix_route+0x2a6/0x430 [ 184.065762][ T10] inet6_addr_add+0x4f8/0xa40 [ 184.065762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.065762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.065762][ T10] netlink_rcv_skb+0x130/0x360 [ 184.065762][ T10] netlink_unicast+0x449/0x710 [ 184.065762][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.065762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.065762][ T10] ___sys_sendmsg+0xee/0x170 [ 184.065762][ T10] __sys_sendmsg+0xcd/0x170 [ 184.065762][ T10] do_syscall_64+0xc6/0x1e0 [ 184.065762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.065762][ T10] [ 184.068200][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 184.068200][ T10] netdev_get_by_index+0x5e/0x80 [ 184.068200][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.068200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.068200][ T10] addrconf_f6i_alloc+0x315/0x560 [ 184.068200][ T10] ipv6_add_addr+0x411/0x2000 [ 184.068200][ T10] inet6_addr_add+0x30e/0xa40 [ 184.068200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.068200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.068200][ T10] netlink_rcv_skb+0x130/0x360 [ 184.068200][ T10] netlink_unicast+0x449/0x710 [ 184.068200][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.068200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.068200][ T10] ___sys_sendmsg+0xee/0x170 [ 184.068200][ T10] __sys_sendmsg+0xcd/0x170 [ 184.068200][ T10] do_syscall_64+0xc6/0x1e0 [ 184.068200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.068200][ T10] [ 184.070633][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 184.070633][ T10] netdev_get_by_index+0x5e/0x80 [ 184.070633][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.070633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.070633][ T10] ip6_route_add+0x1c/0x140 [ 184.070633][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 184.070633][ T10] addrconf_add_dev+0xe2/0x170 [ 184.070633][ T10] inet6_addr_add+0x12f/0xa40 [ 184.070633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.070633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.070633][ T10] netlink_rcv_skb+0x130/0x360 [ 184.070633][ T10] netlink_unicast+0x449/0x710 [ 184.070633][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.070633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.070633][ T10] ___sys_sendmsg+0xee/0x170 [ 184.070633][ T10] __sys_sendmsg+0xcd/0x170 [ 184.070633][ T10] do_syscall_64+0xc6/0x1e0 [ 184.070633][ T10] [ 184.073004][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 184.073004][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 184.073004][ T10] ipv6_find_idev+0x102/0x170 [ 184.073004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.073004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.073004][ T10] netlink_rcv_skb+0x130/0x360 [ 184.073004][ T10] netlink_unicast+0x449/0x710 [ 184.073004][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.073004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.073004][ T10] ___sys_sendmsg+0xee/0x170 [ 184.073004][ T10] __sys_sendmsg+0xcd/0x170 [ 184.073004][ T10] do_syscall_64+0xc6/0x1e0 [ 184.073004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.073004][ T10] [ 184.074855][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 184.074855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 184.074855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 184.074855][ T10] ipv6_find_idev+0x102/0x170 [ 184.074855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.074855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.074855][ T10] netlink_rcv_skb+0x130/0x360 [ 184.074855][ T10] netlink_unicast+0x449/0x710 [ 184.074855][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.074855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.074855][ T10] ___sys_sendmsg+0xee/0x170 [ 184.074855][ T10] __sys_sendmsg+0xcd/0x170 [ 184.074855][ T10] do_syscall_64+0xc6/0x1e0 [ 184.074855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.074855][ T10] [ 184.076668][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 184.076931][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 184.076931][ T10] netdev_get_by_index+0x5e/0x80 [ 184.076931][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.076931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.076931][ T10] addrconf_f6i_alloc+0x265/0x560 [ 184.076931][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 184.076931][ T10] addrconf_join_anycast+0x1c0/0x220 [ 184.076931][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 184.076931][ T10] addrconf_dad_completed+0x12b/0xe20 [ 184.076931][ T10] addrconf_dad_begin+0x310/0x670 [ 184.076931][ T10] addrconf_dad_work+0x10b/0xab0 [ 184.076931][ T10] process_one_work+0x84d/0x18a0 [ 184.076931][ T10] worker_thread+0x587/0xd30 [ 184.076931][ T10] kthread+0x28a/0x350 [ 184.076931][ T10] ret_from_fork+0x31/0x70 [ 184.076931][ T10] ret_from_fork_asm+0x1a/0x30 [ 184.076931][ T10] [ 184.079030][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 184.079030][ T10] netdev_get_by_index+0x5e/0x80 [ 184.079030][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.079030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.079030][ T10] ip6_route_add+0x1c/0x140 [ 184.079030][ T10] addrconf_prefix_route+0x2a6/0x430 [ 184.079030][ T10] inet6_addr_add+0x4f8/0xa40 [ 184.079030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.079030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.079030][ T10] netlink_rcv_skb+0x130/0x360 [ 184.079030][ T10] netlink_unicast+0x449/0x710 [ 184.079030][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.079030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.079030][ T10] ___sys_sendmsg+0xee/0x170 [ 184.079030][ T10] __sys_sendmsg+0xcd/0x170 [ 184.079030][ T10] do_syscall_64+0xc6/0x1e0 [ 184.079030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.079030][ T10] [ 184.081359][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 184.081359][ T10] netdev_get_by_index+0x5e/0x80 [ 184.081359][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.081359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.081359][ T10] addrconf_f6i_alloc+0x315/0x560 [ 184.081359][ T10] ipv6_add_addr+0x411/0x2000 [ 184.081359][ T10] inet6_addr_add+0x30e/0xa40 [ 184.081359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.081359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.081359][ T10] netlink_rcv_skb+0x130/0x360 [ 184.081359][ T10] netlink_unicast+0x449/0x710 [ 184.081359][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.081359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.081359][ T10] ___sys_sendmsg+0xee/0x170 [ 184.081359][ T10] __sys_sendmsg+0xcd/0x170 [ 184.081359][ T10] do_syscall_64+0xc6/0x1e0 [ 184.081359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.081359][ T10] [ 184.083859][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 184.083859][ T10] netdev_get_by_index+0x5e/0x80 [ 184.083859][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.083859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.083859][ T10] ip6_route_add+0x1c/0x140 [ 184.083859][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 184.083859][ T10] addrconf_add_dev+0xe2/0x170 [ 184.083859][ T10] inet6_addr_add+0x12f/0xa40 [ 184.083859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.083859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.083859][ T10] netlink_rcv_skb+0x130/0x360 [ 184.083859][ T10] netlink_unicast+0x449/0x710 [ 184.083859][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.083859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.083859][ T10] ___sys_sendmsg+0xee/0x170 [ 184.083859][ T10] __sys_sendmsg+0xcd/0x170 [ 184.083859][ T10] do_syscall_64+0xc6/0x1e0 [ 184.083859][ T10] [ 184.086325][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 184.086325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 184.086325][ T10] ipv6_find_idev+0x102/0x170 [ 184.086325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.086325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.086325][ T10] netlink_rcv_skb+0x130/0x360 [ 184.086325][ T10] netlink_unicast+0x449/0x710 [ 184.086325][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.086325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.086325][ T10] ___sys_sendmsg+0xee/0x170 [ 184.086325][ T10] __sys_sendmsg+0xcd/0x170 [ 184.086325][ T10] do_syscall_64+0xc6/0x1e0 [ 184.086325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.086325][ T10] [ 184.088162][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 184.088162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 184.088162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 184.088162][ T10] ipv6_find_idev+0x102/0x170 [ 184.088162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.088162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.088162][ T10] netlink_rcv_skb+0x130/0x360 [ 184.088162][ T10] netlink_unicast+0x449/0x710 [ 184.088162][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.088162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.088162][ T10] ___sys_sendmsg+0xee/0x170 [ 184.088162][ T10] __sys_sendmsg+0xcd/0x170 [ 184.088162][ T10] do_syscall_64+0xc6/0x1e0 [ 184.088162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.088162][ T10] [ 184.090353][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 184.090674][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 184.090674][ T10] netdev_get_by_index+0x5e/0x80 [ 184.090674][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.090674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.090674][ T10] addrconf_f6i_alloc+0x265/0x560 [ 184.090674][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 184.090674][ T10] addrconf_join_anycast+0x1c0/0x220 [ 184.090674][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 184.090674][ T10] addrconf_dad_completed+0x12b/0xe20 [ 184.090674][ T10] addrconf_dad_begin+0x310/0x670 [ 184.090674][ T10] addrconf_dad_work+0x10b/0xab0 [ 184.090674][ T10] process_one_work+0x84d/0x18a0 [ 184.090674][ T10] worker_thread+0x587/0xd30 [ 184.090674][ T10] kthread+0x28a/0x350 [ 184.090674][ T10] ret_from_fork+0x31/0x70 [ 184.090674][ T10] ret_from_fork_asm+0x1a/0x30 [ 184.090674][ T10] [ 184.093231][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 184.093231][ T10] netdev_get_by_index+0x5e/0x80 [ 184.093231][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.093231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.093231][ T10] ip6_route_add+0x1c/0x140 [ 184.093231][ T10] addrconf_prefix_route+0x2a6/0x430 [ 184.093231][ T10] inet6_addr_add+0x4f8/0xa40 [ 184.093231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.093231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.093231][ T10] netlink_rcv_skb+0x130/0x360 [ 184.093231][ T10] netlink_unicast+0x449/0x710 [ 184.093231][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.093231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.093231][ T10] ___sys_sendmsg+0xee/0x170 [ 184.093231][ T10] __sys_sendmsg+0xcd/0x170 [ 184.093231][ T10] do_syscall_64+0xc6/0x1e0 [ 184.093231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.093231][ T10] [ 184.095846][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 184.095846][ T10] netdev_get_by_index+0x5e/0x80 [ 184.095846][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.095846][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.095846][ T10] addrconf_f6i_alloc+0x315/0x560 [ 184.095846][ T10] ipv6_add_addr+0x411/0x2000 [ 184.095846][ T10] inet6_addr_add+0x30e/0xa40 [ 184.095846][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.095846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.095846][ T10] netlink_rcv_skb+0x130/0x360 [ 184.095846][ T10] netlink_unicast+0x449/0x710 [ 184.095846][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.095846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.095846][ T10] ___sys_sendmsg+0xee/0x170 [ 184.095846][ T10] __sys_sendmsg+0xcd/0x170 [ 184.095846][ T10] do_syscall_64+0xc6/0x1e0 [ 184.095846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.095846][ T10] [ 184.098630][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 184.098630][ T10] netdev_get_by_index+0x5e/0x80 [ 184.098630][ T10] fib6_nh_init+0x3d8/0x1580 [ 184.098630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 184.098630][ T10] ip6_route_add+0x1c/0x140 [ 184.098630][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 184.098630][ T10] addrconf_add_dev+0xe2/0x170 [ 184.098630][ T10] inet6_addr_add+0x12f/0xa40 [ 184.098630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 184.098630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.098630][ T10] netlink_rcv_skb+0x130/0x360 [ 184.098630][ T10] netlink_unicast+0x449/0x710 [ 184.098630][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.098630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.098630][ T10] ___sys_sendmsg+0xee/0x170 [ 184.098630][ T10] __sys_sendmsg+0xcd/0x170 [ 184.098630][ T10] do_syscall_64+0xc6/0x1e0 [ 184.098630][ T10] [ 184.100869][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 184.100869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 184.100869][ T10] ipv6_find_idev+0x102/0x170 [ 184.100869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.100869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.100869][ T10] netlink_rcv_skb+0x130/0x360 [ 184.100869][ T10] netlink_unicast+0x449/0x710 [ 184.100869][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.100869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.100869][ T10] ___sys_sendmsg+0xee/0x170 [ 184.100869][ T10] __sys_sendmsg+0xcd/0x170 [ 184.100869][ T10] do_syscall_64+0xc6/0x1e0 [ 184.100869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.100869][ T10] [ 184.102577][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 184.102577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 184.102577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 184.102577][ T10] ipv6_find_idev+0x102/0x170 [ 184.102577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 184.102577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 184.102577][ T10] netlink_rcv_skb+0x130/0x360 [ 184.102577][ T10] netlink_unicast+0x449/0x710 [ 184.102577][ T10] netlink_sendmsg+0x723/0xbe0 [ 184.102577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 184.102577][ T10] ___sys_sendmsg+0xee/0x170 [ 184.102577][ T10] __sys_sendmsg+0xcd/0x170 [ 184.102577][ T10] do_syscall_64+0xc6/0x1e0 [ 184.102577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 184.102577][ T10] [ 194.258122][ T10] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 194.258603][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 194.258603][ T10] netdev_get_by_index+0x5e/0x80 [ 194.258603][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.258603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.258603][ T10] addrconf_f6i_alloc+0x265/0x560 [ 194.258603][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 194.258603][ T10] addrconf_join_anycast+0x1c0/0x220 [ 194.258603][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 194.258603][ T10] addrconf_dad_completed+0x12b/0xe20 [ 194.258603][ T10] addrconf_dad_begin+0x310/0x670 [ 194.258603][ T10] addrconf_dad_work+0x10b/0xab0 [ 194.258603][ T10] process_one_work+0x84d/0x18a0 [ 194.258603][ T10] worker_thread+0x587/0xd30 [ 194.258603][ T10] kthread+0x28a/0x350 [ 194.258603][ T10] ret_from_fork+0x31/0x70 [ 194.258603][ T10] ret_from_fork_asm+0x1a/0x30 [ 194.258603][ T10] [ 194.261737][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 194.261737][ T10] netdev_get_by_index+0x5e/0x80 [ 194.261737][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.261737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.261737][ T10] ip6_route_add+0x1c/0x140 [ 194.261737][ T10] addrconf_prefix_route+0x2a6/0x430 [ 194.261737][ T10] inet6_addr_add+0x4f8/0xa40 [ 194.261737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.261737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.261737][ T10] netlink_rcv_skb+0x130/0x360 [ 194.261737][ T10] netlink_unicast+0x449/0x710 [ 194.261737][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.261737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.261737][ T10] ___sys_sendmsg+0xee/0x170 [ 194.261737][ T10] __sys_sendmsg+0xcd/0x170 [ 194.261737][ T10] do_syscall_64+0xc6/0x1e0 [ 194.261737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.261737][ T10] [ 194.264999][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 194.264999][ T10] netdev_get_by_index+0x5e/0x80 [ 194.264999][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.264999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.264999][ T10] addrconf_f6i_alloc+0x315/0x560 [ 194.264999][ T10] ipv6_add_addr+0x411/0x2000 [ 194.264999][ T10] inet6_addr_add+0x30e/0xa40 [ 194.264999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.264999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.264999][ T10] netlink_rcv_skb+0x130/0x360 [ 194.264999][ T10] netlink_unicast+0x449/0x710 [ 194.264999][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.264999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.264999][ T10] ___sys_sendmsg+0xee/0x170 [ 194.264999][ T10] __sys_sendmsg+0xcd/0x170 [ 194.264999][ T10] do_syscall_64+0xc6/0x1e0 [ 194.264999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.264999][ T10] [ 194.268300][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 194.268300][ T10] netdev_get_by_index+0x5e/0x80 [ 194.268300][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.268300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.268300][ T10] ip6_route_add+0x1c/0x140 [ 194.268300][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 194.268300][ T10] addrconf_add_dev+0xe2/0x170 [ 194.268300][ T10] inet6_addr_add+0x12f/0xa40 [ 194.268300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.268300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.268300][ T10] netlink_rcv_skb+0x130/0x360 [ 194.268300][ T10] netlink_unicast+0x449/0x710 [ 194.268300][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.268300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.268300][ T10] ___sys_sendmsg+0xee/0x170 [ 194.268300][ T10] __sys_sendmsg+0xcd/0x170 [ 194.268300][ T10] do_syscall_64+0xc6/0x1e0 [ 194.268300][ T10] [ 194.271498][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 194.271498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 194.271498][ T10] ipv6_find_idev+0x102/0x170 [ 194.271498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.271498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.271498][ T10] netlink_rcv_skb+0x130/0x360 [ 194.271498][ T10] netlink_unicast+0x449/0x710 [ 194.271498][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.271498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.271498][ T10] ___sys_sendmsg+0xee/0x170 [ 194.271498][ T10] __sys_sendmsg+0xcd/0x170 [ 194.271498][ T10] do_syscall_64+0xc6/0x1e0 [ 194.271498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.271498][ T10] [ 194.274040][ T10] ref_tracker: veth3@ffff88800f01c5e0 has 1/6 users at [ 194.274040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 194.274040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 194.274040][ T10] ipv6_find_idev+0x102/0x170 [ 194.274040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.274040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.274040][ T10] netlink_rcv_skb+0x130/0x360 [ 194.274040][ T10] netlink_unicast+0x449/0x710 [ 194.274040][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.274040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.274040][ T10] ___sys_sendmsg+0xee/0x170 [ 194.274040][ T10] __sys_sendmsg+0xcd/0x170 [ 194.274040][ T10] do_syscall_64+0xc6/0x1e0 [ 194.274040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.274040][ T10] [ 194.276921][ T10] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 194.277386][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 194.277386][ T10] netdev_get_by_index+0x5e/0x80 [ 194.277386][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.277386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.277386][ T10] addrconf_f6i_alloc+0x265/0x560 [ 194.277386][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 194.277386][ T10] addrconf_join_anycast+0x1c0/0x220 [ 194.277386][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 194.277386][ T10] addrconf_dad_completed+0x12b/0xe20 [ 194.277386][ T10] addrconf_dad_begin+0x310/0x670 [ 194.277386][ T10] addrconf_dad_work+0x10b/0xab0 [ 194.277386][ T10] process_one_work+0x84d/0x18a0 [ 194.277386][ T10] worker_thread+0x587/0xd30 [ 194.277386][ T10] kthread+0x28a/0x350 [ 194.277386][ T10] ret_from_fork+0x31/0x70 [ 194.277386][ T10] ret_from_fork_asm+0x1a/0x30 [ 194.277386][ T10] [ 194.280573][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 194.280573][ T10] netdev_get_by_index+0x5e/0x80 [ 194.280573][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.280573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.280573][ T10] ip6_route_add+0x1c/0x140 [ 194.280573][ T10] addrconf_prefix_route+0x2a6/0x430 [ 194.280573][ T10] inet6_addr_add+0x4f8/0xa40 [ 194.280573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.280573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.280573][ T10] netlink_rcv_skb+0x130/0x360 [ 194.280573][ T10] netlink_unicast+0x449/0x710 [ 194.280573][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.280573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.280573][ T10] ___sys_sendmsg+0xee/0x170 [ 194.280573][ T10] __sys_sendmsg+0xcd/0x170 [ 194.280573][ T10] do_syscall_64+0xc6/0x1e0 [ 194.280573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.280573][ T10] [ 194.283718][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 194.283718][ T10] netdev_get_by_index+0x5e/0x80 [ 194.283718][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.283718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.283718][ T10] addrconf_f6i_alloc+0x315/0x560 [ 194.283718][ T10] ipv6_add_addr+0x411/0x2000 [ 194.283718][ T10] inet6_addr_add+0x30e/0xa40 [ 194.283718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.283718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.283718][ T10] netlink_rcv_skb+0x130/0x360 [ 194.283718][ T10] netlink_unicast+0x449/0x710 [ 194.283718][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.283718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.283718][ T10] ___sys_sendmsg+0xee/0x170 [ 194.283718][ T10] __sys_sendmsg+0xcd/0x170 [ 194.283718][ T10] do_syscall_64+0xc6/0x1e0 [ 194.283718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.283718][ T10] [ 194.286864][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 194.286864][ T10] netdev_get_by_index+0x5e/0x80 [ 194.286864][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.286864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.286864][ T10] ip6_route_add+0x1c/0x140 [ 194.286864][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 194.286864][ T10] addrconf_add_dev+0xe2/0x170 [ 194.286864][ T10] inet6_addr_add+0x12f/0xa40 [ 194.286864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.286864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.286864][ T10] netlink_rcv_skb+0x130/0x360 [ 194.286864][ T10] netlink_unicast+0x449/0x710 [ 194.286864][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.286864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.286864][ T10] ___sys_sendmsg+0xee/0x170 [ 194.286864][ T10] __sys_sendmsg+0xcd/0x170 [ 194.286864][ T10] do_syscall_64+0xc6/0x1e0 [ 194.286864][ T10] [ 194.290184][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 194.290184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 194.290184][ T10] ipv6_find_idev+0x102/0x170 [ 194.290184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.290184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.290184][ T10] netlink_rcv_skb+0x130/0x360 [ 194.290184][ T10] netlink_unicast+0x449/0x710 [ 194.290184][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.290184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.290184][ T10] ___sys_sendmsg+0xee/0x170 [ 194.290184][ T10] __sys_sendmsg+0xcd/0x170 [ 194.290184][ T10] do_syscall_64+0xc6/0x1e0 [ 194.290184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.290184][ T10] [ 194.293210][ T10] ref_tracker: veth4@ffff88800d31c5e0 has 1/6 users at [ 194.293210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 194.293210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 194.293210][ T10] ipv6_find_idev+0x102/0x170 [ 194.293210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.293210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.293210][ T10] netlink_rcv_skb+0x130/0x360 [ 194.293210][ T10] netlink_unicast+0x449/0x710 [ 194.293210][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.293210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.293210][ T10] ___sys_sendmsg+0xee/0x170 [ 194.293210][ T10] __sys_sendmsg+0xcd/0x170 [ 194.293210][ T10] do_syscall_64+0xc6/0x1e0 [ 194.293210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.293210][ T10] [ 194.296618][ T10] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 194.297045][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 194.297045][ T10] netdev_get_by_index+0x5e/0x80 [ 194.297045][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.297045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.297045][ T10] addrconf_f6i_alloc+0x265/0x560 [ 194.297045][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 194.297045][ T10] addrconf_join_anycast+0x1c0/0x220 [ 194.297045][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 194.297045][ T10] addrconf_dad_completed+0x12b/0xe20 [ 194.297045][ T10] addrconf_dad_begin+0x310/0x670 [ 194.297045][ T10] addrconf_dad_work+0x10b/0xab0 [ 194.297045][ T10] process_one_work+0x84d/0x18a0 [ 194.297045][ T10] worker_thread+0x587/0xd30 [ 194.297045][ T10] kthread+0x28a/0x350 [ 194.297045][ T10] ret_from_fork+0x31/0x70 [ 194.297045][ T10] ret_from_fork_asm+0x1a/0x30 [ 194.297045][ T10] [ 194.300450][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 194.300450][ T10] netdev_get_by_index+0x5e/0x80 [ 194.300450][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.300450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.300450][ T10] ip6_route_add+0x1c/0x140 [ 194.300450][ T10] addrconf_prefix_route+0x2a6/0x430 [ 194.300450][ T10] inet6_addr_add+0x4f8/0xa40 [ 194.300450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.300450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.300450][ T10] netlink_rcv_skb+0x130/0x360 [ 194.300450][ T10] netlink_unicast+0x449/0x710 [ 194.300450][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.300450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.300450][ T10] ___sys_sendmsg+0xee/0x170 [ 194.300450][ T10] __sys_sendmsg+0xcd/0x170 [ 194.300450][ T10] do_syscall_64+0xc6/0x1e0 [ 194.300450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.300450][ T10] [ 194.304063][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 194.304063][ T10] netdev_get_by_index+0x5e/0x80 [ 194.304063][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.304063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.304063][ T10] addrconf_f6i_alloc+0x315/0x560 [ 194.304063][ T10] ipv6_add_addr+0x411/0x2000 [ 194.304063][ T10] inet6_addr_add+0x30e/0xa40 [ 194.304063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.304063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.304063][ T10] netlink_rcv_skb+0x130/0x360 [ 194.304063][ T10] netlink_unicast+0x449/0x710 [ 194.304063][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.304063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.304063][ T10] ___sys_sendmsg+0xee/0x170 [ 194.304063][ T10] __sys_sendmsg+0xcd/0x170 [ 194.304063][ T10] do_syscall_64+0xc6/0x1e0 [ 194.304063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.304063][ T10] [ 194.307558][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 194.307558][ T10] netdev_get_by_index+0x5e/0x80 [ 194.307558][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.307558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.307558][ T10] ip6_route_add+0x1c/0x140 [ 194.307558][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 194.307558][ T10] addrconf_add_dev+0xe2/0x170 [ 194.307558][ T10] inet6_addr_add+0x12f/0xa40 [ 194.307558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.307558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.307558][ T10] netlink_rcv_skb+0x130/0x360 [ 194.307558][ T10] netlink_unicast+0x449/0x710 [ 194.307558][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.307558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.307558][ T10] ___sys_sendmsg+0xee/0x170 [ 194.307558][ T10] __sys_sendmsg+0xcd/0x170 [ 194.307558][ T10] do_syscall_64+0xc6/0x1e0 [ 194.307558][ T10] [ 194.311308][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 194.311308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 194.311308][ T10] ipv6_find_idev+0x102/0x170 [ 194.311308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.311308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.311308][ T10] netlink_rcv_skb+0x130/0x360 [ 194.311308][ T10] netlink_unicast+0x449/0x710 [ 194.311308][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.311308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.311308][ T10] ___sys_sendmsg+0xee/0x170 [ 194.311308][ T10] __sys_sendmsg+0xcd/0x170 [ 194.311308][ T10] do_syscall_64+0xc6/0x1e0 [ 194.311308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.311308][ T10] [ 194.313942][ T10] ref_tracker: veth1@ffff8880056ac5e0 has 1/6 users at [ 194.313942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 194.313942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 194.313942][ T10] ipv6_find_idev+0x102/0x170 [ 194.313942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.313942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.313942][ T10] netlink_rcv_skb+0x130/0x360 [ 194.313942][ T10] netlink_unicast+0x449/0x710 [ 194.313942][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.313942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.313942][ T10] ___sys_sendmsg+0xee/0x170 [ 194.313942][ T10] __sys_sendmsg+0xcd/0x170 [ 194.313942][ T10] do_syscall_64+0xc6/0x1e0 [ 194.313942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.313942][ T10] [ 194.317082][ T10] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 194.317509][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 194.317509][ T10] netdev_get_by_index+0x5e/0x80 [ 194.317509][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.317509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.317509][ T10] addrconf_f6i_alloc+0x265/0x560 [ 194.317509][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 194.317509][ T10] addrconf_join_anycast+0x1c0/0x220 [ 194.317509][ T10] __ipv6_ifa_notify+0x6b3/0xaf0 [ 194.317509][ T10] addrconf_dad_completed+0x12b/0xe20 [ 194.317509][ T10] addrconf_dad_begin+0x310/0x670 [ 194.317509][ T10] addrconf_dad_work+0x10b/0xab0 [ 194.317509][ T10] process_one_work+0x84d/0x18a0 [ 194.317509][ T10] worker_thread+0x587/0xd30 [ 194.317509][ T10] kthread+0x28a/0x350 [ 194.317509][ T10] ret_from_fork+0x31/0x70 [ 194.317509][ T10] ret_from_fork_asm+0x1a/0x30 [ 194.317509][ T10] [ 194.320947][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 194.320947][ T10] netdev_get_by_index+0x5e/0x80 [ 194.320947][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.320947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.320947][ T10] ip6_route_add+0x1c/0x140 [ 194.320947][ T10] addrconf_prefix_route+0x2a6/0x430 [ 194.320947][ T10] inet6_addr_add+0x4f8/0xa40 [ 194.320947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.320947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.320947][ T10] netlink_rcv_skb+0x130/0x360 [ 194.320947][ T10] netlink_unicast+0x449/0x710 [ 194.320947][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.320947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.320947][ T10] ___sys_sendmsg+0xee/0x170 [ 194.320947][ T10] __sys_sendmsg+0xcd/0x170 [ 194.320947][ T10] do_syscall_64+0xc6/0x1e0 [ 194.320947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.320947][ T10] [ 194.324706][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 194.324706][ T10] netdev_get_by_index+0x5e/0x80 [ 194.324706][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.324706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.324706][ T10] addrconf_f6i_alloc+0x315/0x560 [ 194.324706][ T10] ipv6_add_addr+0x411/0x2000 [ 194.324706][ T10] inet6_addr_add+0x30e/0xa40 [ 194.324706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.324706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.324706][ T10] netlink_rcv_skb+0x130/0x360 [ 194.324706][ T10] netlink_unicast+0x449/0x710 [ 194.324706][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.324706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.324706][ T10] ___sys_sendmsg+0xee/0x170 [ 194.324706][ T10] __sys_sendmsg+0xcd/0x170 [ 194.324706][ T10] do_syscall_64+0xc6/0x1e0 [ 194.324706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.324706][ T10] [ 194.328250][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 194.328250][ T10] netdev_get_by_index+0x5e/0x80 [ 194.328250][ T10] fib6_nh_init+0x3d8/0x1580 [ 194.328250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 194.328250][ T10] ip6_route_add+0x1c/0x140 [ 194.328250][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 194.328250][ T10] addrconf_add_dev+0xe2/0x170 [ 194.328250][ T10] inet6_addr_add+0x12f/0xa40 [ 194.328250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 194.328250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.328250][ T10] netlink_rcv_skb+0x130/0x360 [ 194.328250][ T10] netlink_unicast+0x449/0x710 [ 194.328250][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.328250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.328250][ T10] ___sys_sendmsg+0xee/0x170 [ 194.328250][ T10] __sys_sendmsg+0xcd/0x170 [ 194.328250][ T10] do_syscall_64+0xc6/0x1e0 [ 194.328250][ T10] [ 194.331398][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 194.331398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 194.331398][ T10] ipv6_find_idev+0x102/0x170 [ 194.331398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.331398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.331398][ T10] netlink_rcv_skb+0x130/0x360 [ 194.331398][ T10] netlink_unicast+0x449/0x710 [ 194.331398][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.331398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.331398][ T10] ___sys_sendmsg+0xee/0x170 [ 194.331398][ T10] __sys_sendmsg+0xcd/0x170 [ 194.331398][ T10] do_syscall_64+0xc6/0x1e0 [ 194.331398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.331398][ T10] [ 194.334200][ T10] ref_tracker: veth2@ffff8880053995e0 has 1/6 users at [ 194.334200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 194.334200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 194.334200][ T10] ipv6_find_idev+0x102/0x170 [ 194.334200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 194.334200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 194.334200][ T10] netlink_rcv_skb+0x130/0x360 [ 194.334200][ T10] netlink_unicast+0x449/0x710 [ 194.334200][ T10] netlink_sendmsg+0x723/0xbe0 [ 194.334200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 194.334200][ T10] ___sys_sendmsg+0xee/0x170 [ 194.334200][ T10] __sys_sendmsg+0xcd/0x170 [ 194.334200][ T10] do_syscall_64+0xc6/0x1e0 [ 194.334200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 194.334200][ T10]